21565104

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 63329280

約数和(自身を除く): 41764176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 47, 48, 66, 79, 88, 94, 121, 132, 141, 158, 176, 188, 237, 242, 264, 282, 316, 363, 376, 474, 484, 517, 528, 564, 632, 726, 752, 869, 948, 968, 1034, 1128, 1264, 1452, 1551, 1738, 1896, 1936, 2068, 2256, 2607, 2904, 3102, 3476, 3713, 3792, 4136, 5214, 5687, 5808, 6204, 6952, 7426, 8272, 9559, 10428, 11139, 11374, 12408, 13904, 14852, 17061, 19118, 20856, 22278, 22748, 24816, 28677, 29704, 34122, 38236, 40843, 41712, 44556, 45496, 57354, 59408, 68244, 76472, 81686, 89112, 90992, 114708, 122529, 136488, 152944, 163372, 178224, 229416, 245058, 272976, 326744, 449273, 458832, 490116, 653488, 898546, 980232, 1347819, 1797092, 1960464, 2695638, 3594184, 5391276, 7188368, 10782552, 21565104]

約数ペア:

[(1, 21565104), (2, 10782552), (3, 7188368), (4, 5391276), (6, 3594184), (8, 2695638), (11, 1960464), (12, 1797092), (16, 1347819), (22, 980232), (24, 898546), (33, 653488), (44, 490116), (47, 458832), (48, 449273), (66, 326744), (79, 272976), (88, 245058), (94, 229416), (121, 178224), (132, 163372), (141, 152944), (158, 136488), (176, 122529), (188, 114708), (237, 90992), (242, 89112), (264, 81686), (282, 76472), (316, 68244), (363, 59408), (376, 57354), (474, 45496), (484, 44556), (517, 41712), (528, 40843), (564, 38236), (632, 34122), (726, 29704), (752, 28677), (869, 24816), (948, 22748), (968, 22278), (1034, 20856), (1128, 19118), (1264, 17061), (1452, 14852), (1551, 13904), (1738, 12408), (1896, 11374), (1936, 11139), (2068, 10428), (2256, 9559), (2607, 8272), (2904, 7426), (3102, 6952), (3476, 6204), (3713, 5808), (3792, 5687), (4136, 5214)]