21005514296

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 48097670400

約数和(自身を除く): 27092156104

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 103, 104, 136, 152, 169, 206, 221, 247, 323, 338, 412, 442, 467, 494, 646, 676, 824, 884, 934, 988, 1292, 1339, 1352, 1751, 1768, 1868, 1957, 1976, 2584, 2678, 2873, 3211, 3502, 3736, 3914, 4199, 5356, 5746, 6071, 6422, 7004, 7828, 7939, 8398, 8873, 10712, 11492, 12142, 12844, 14008, 15656, 15878, 16796, 17407, 17746, 22763, 22984, 24284, 25441, 25688, 31756, 33269, 33592, 34814, 35492, 45526, 48101, 48568, 50882, 54587, 63512, 66538, 69628, 70984, 78923, 91052, 96202, 101764, 103207, 109174, 115349, 133076, 139256, 150841, 157846, 182104, 192404, 203528, 206414, 218348, 230698, 266152, 295919, 301682, 315692, 330733, 384808, 412828, 432497, 436696, 461396, 591838, 603364, 625313, 631384, 661466, 817717, 825656, 864994, 913919, 922792, 1183676, 1206728, 1250626, 1322932, 1341691, 1499537, 1635434, 1729988, 1827838, 1960933, 2367352, 2501252, 2645864, 2683382, 2999074, 3270868, 3459976, 3655676, 3921866, 5002504, 5366764, 5622461, 5998148, 6541736, 7311352, 7843732, 8129069, 10630321, 10733528, 11244922, 11880947, 11996296, 15536623, 15687464, 16258138, 21260642, 22489844, 23761894, 25492129, 31073246, 32516276, 42521284, 44979688, 47523788, 50984258, 62146492, 65032552, 85042568, 95047576, 101968516, 124292984, 138194173, 154452311, 201976099, 203937032, 276388346, 308904622, 403952198, 552776692, 617809244, 807904396, 1105553384, 1235618488, 1615808792, 2625689287, 5251378574, 10502757148, 21005514296]

約数ペア:

[(1, 21005514296), (2, 10502757148), (4, 5251378574), (8, 2625689287), (13, 1615808792), (17, 1235618488), (19, 1105553384), (26, 807904396), (34, 617809244), (38, 552776692), (52, 403952198), (68, 308904622), (76, 276388346), (103, 203937032), (104, 201976099), (136, 154452311), (152, 138194173), (169, 124292984), (206, 101968516), (221, 95047576), (247, 85042568), (323, 65032552), (338, 62146492), (412, 50984258), (442, 47523788), (467, 44979688), (494, 42521284), (646, 32516276), (676, 31073246), (824, 25492129), (884, 23761894), (934, 22489844), (988, 21260642), (1292, 16258138), (1339, 15687464), (1352, 15536623), (1751, 11996296), (1768, 11880947), (1868, 11244922), (1957, 10733528), (1976, 10630321), (2584, 8129069), (2678, 7843732), (2873, 7311352), (3211, 6541736), (3502, 5998148), (3736, 5622461), (3914, 5366764), (4199, 5002504), (5356, 3921866), (5746, 3655676), (6071, 3459976), (6422, 3270868), (7004, 2999074), (7828, 2683382), (7939, 2645864), (8398, 2501252), (8873, 2367352), (10712, 1960933), (11492, 1827838), (12142, 1729988), (12844, 1635434), (14008, 1499537), (15656, 1341691), (15878, 1322932), (16796, 1250626), (17407, 1206728), (17746, 1183676), (22763, 922792), (22984, 913919), (24284, 864994), (25441, 825656), (25688, 817717), (31756, 661466), (33269, 631384), (33592, 625313), (34814, 603364), (35492, 591838), (45526, 461396), (48101, 436696), (48568, 432497), (50882, 412828), (54587, 384808), (63512, 330733), (66538, 315692), (69628, 301682), (70984, 295919), (78923, 266152), (91052, 230698), (96202, 218348), (101764, 206414), (103207, 203528), (109174, 192404), (115349, 182104), (133076, 157846), (139256, 150841)]