21305592

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 76970520

約数和(自身を除く): 55664928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 49, 54, 56, 61, 63, 66, 72, 77, 81, 84, 88, 98, 99, 108, 122, 126, 132, 147, 154, 162, 168, 183, 189, 196, 198, 216, 231, 244, 252, 264, 294, 297, 308, 324, 366, 378, 392, 396, 427, 441, 462, 488, 504, 539, 549, 567, 588, 594, 616, 648, 671, 693, 732, 756, 792, 854, 882, 891, 924, 1078, 1098, 1134, 1176, 1188, 1281, 1323, 1342, 1386, 1464, 1512, 1617, 1647, 1708, 1764, 1782, 1848, 2013, 2079, 2156, 2196, 2268, 2376, 2562, 2646, 2684, 2772, 2989, 3234, 3294, 3416, 3528, 3564, 3843, 3969, 4026, 4158, 4312, 4392, 4536, 4697, 4851, 4941, 5124, 5292, 5368, 5544, 5978, 6039, 6237, 6468, 6588, 7128, 7686, 7938, 8052, 8316, 8967, 9394, 9702, 9882, 10248, 10584, 11529, 11956, 12078, 12474, 12936, 13176, 14091, 14553, 15372, 15876, 16104, 16632, 17934, 18117, 18788, 19404, 19764, 23058, 23912, 24156, 24948, 26901, 28182, 29106, 30744, 31752, 32879, 34587, 35868, 36234, 37576, 38808, 39528, 42273, 43659, 46116, 48312, 49896, 53802, 54351, 56364, 58212, 65758, 69174, 71736, 72468, 80703, 84546, 87318, 92232, 98637, 107604, 108702, 112728, 116424, 126819, 131516, 138348, 144936, 161406, 169092, 174636, 197274, 215208, 217404, 242109, 253638, 263032, 276696, 295911, 322812, 338184, 349272, 380457, 394548, 434808, 484218, 507276, 591822, 645624, 760914, 789096, 887733, 968436, 1014552, 1183644, 1521828, 1775466, 1936872, 2367288, 2663199, 3043656, 3550932, 5326398, 7101864, 10652796, 21305592]

約数ペア:

[(1, 21305592), (2, 10652796), (3, 7101864), (4, 5326398), (6, 3550932), (7, 3043656), (8, 2663199), (9, 2367288), (11, 1936872), (12, 1775466), (14, 1521828), (18, 1183644), (21, 1014552), (22, 968436), (24, 887733), (27, 789096), (28, 760914), (33, 645624), (36, 591822), (42, 507276), (44, 484218), (49, 434808), (54, 394548), (56, 380457), (61, 349272), (63, 338184), (66, 322812), (72, 295911), (77, 276696), (81, 263032), (84, 253638), (88, 242109), (98, 217404), (99, 215208), (108, 197274), (122, 174636), (126, 169092), (132, 161406), (147, 144936), (154, 138348), (162, 131516), (168, 126819), (183, 116424), (189, 112728), (196, 108702), (198, 107604), (216, 98637), (231, 92232), (244, 87318), (252, 84546), (264, 80703), (294, 72468), (297, 71736), (308, 69174), (324, 65758), (366, 58212), (378, 56364), (392, 54351), (396, 53802), (427, 49896), (441, 48312), (462, 46116), (488, 43659), (504, 42273), (539, 39528), (549, 38808), (567, 37576), (588, 36234), (594, 35868), (616, 34587), (648, 32879), (671, 31752), (693, 30744), (732, 29106), (756, 28182), (792, 26901), (854, 24948), (882, 24156), (891, 23912), (924, 23058), (1078, 19764), (1098, 19404), (1134, 18788), (1176, 18117), (1188, 17934), (1281, 16632), (1323, 16104), (1342, 15876), (1386, 15372), (1464, 14553), (1512, 14091), (1617, 13176), (1647, 12936), (1708, 12474), (1764, 12078), (1782, 11956), (1848, 11529), (2013, 10584), (2079, 10248), (2156, 9882), (2196, 9702), (2268, 9394), (2376, 8967), (2562, 8316), (2646, 8052), (2684, 7938), (2772, 7686), (2989, 7128), (3234, 6588), (3294, 6468), (3416, 6237), (3528, 6039), (3564, 5978), (3843, 5544), (3969, 5368), (4026, 5292), (4158, 5124), (4312, 4941), (4392, 4851), (4536, 4697)]