21317184

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:353

約数の個数: 168

約数和(自身を含む): 74176128

約数和(自身を除く): 52858944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 192, 204, 224, 238, 252, 272, 288, 306, 311, 336, 357, 408, 448, 476, 504, 544, 576, 612, 622, 672, 714, 816, 933, 952, 1008, 1071, 1088, 1224, 1244, 1344, 1428, 1632, 1866, 1904, 2016, 2142, 2177, 2448, 2488, 2799, 2856, 3264, 3732, 3808, 4032, 4284, 4354, 4896, 4976, 5287, 5598, 5712, 6531, 7464, 7616, 8568, 8708, 9792, 9952, 10574, 11196, 11424, 13062, 14928, 15861, 17136, 17416, 19593, 19904, 21148, 22392, 22848, 26124, 29856, 31722, 34272, 34832, 37009, 39186, 42296, 44784, 47583, 52248, 59712, 63444, 68544, 69664, 74018, 78372, 84592, 89568, 95166, 104496, 111027, 126888, 139328, 148036, 156744, 169184, 179136, 190332, 208992, 222054, 253776, 296072, 313488, 333081, 338368, 380664, 417984, 444108, 507552, 592144, 626976, 666162, 761328, 888216, 1015104, 1184288, 1253952, 1332324, 1522656, 1776432, 2368576, 2664648, 3045312, 3552864, 5329296, 7105728, 10658592, 21317184]

約数ペア:

[(1, 21317184), (2, 10658592), (3, 7105728), (4, 5329296), (6, 3552864), (7, 3045312), (8, 2664648), (9, 2368576), (12, 1776432), (14, 1522656), (16, 1332324), (17, 1253952), (18, 1184288), (21, 1015104), (24, 888216), (28, 761328), (32, 666162), (34, 626976), (36, 592144), (42, 507552), (48, 444108), (51, 417984), (56, 380664), (63, 338368), (64, 333081), (68, 313488), (72, 296072), (84, 253776), (96, 222054), (102, 208992), (112, 190332), (119, 179136), (126, 169184), (136, 156744), (144, 148036), (153, 139328), (168, 126888), (192, 111027), (204, 104496), (224, 95166), (238, 89568), (252, 84592), (272, 78372), (288, 74018), (306, 69664), (311, 68544), (336, 63444), (357, 59712), (408, 52248), (448, 47583), (476, 44784), (504, 42296), (544, 39186), (576, 37009), (612, 34832), (622, 34272), (672, 31722), (714, 29856), (816, 26124), (933, 22848), (952, 22392), (1008, 21148), (1071, 19904), (1088, 19593), (1224, 17416), (1244, 17136), (1344, 15861), (1428, 14928), (1632, 13062), (1866, 11424), (1904, 11196), (2016, 10574), (2142, 9952), (2177, 9792), (2448, 8708), (2488, 8568), (2799, 7616), (2856, 7464), (3264, 6531), (3732, 5712), (3808, 5598), (4032, 5287), (4284, 4976), (4354, 4896)]