21901248

素因数分解:

$2^6\times 3^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 84

約数和(自身を含む): 64190880

約数和(自身を除く): 42289632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 141, 144, 188, 192, 282, 288, 376, 423, 564, 576, 752, 809, 846, 1128, 1504, 1618, 1692, 2256, 2427, 3008, 3236, 3384, 4512, 4854, 6472, 6768, 7281, 9024, 9708, 12944, 13536, 14562, 19416, 25888, 27072, 29124, 38023, 38832, 51776, 58248, 76046, 77664, 114069, 116496, 152092, 155328, 228138, 232992, 304184, 342207, 456276, 465984, 608368, 684414, 912552, 1216736, 1368828, 1825104, 2433472, 2737656, 3650208, 5475312, 7300416, 10950624, 21901248]

約数ペア:

[(1, 21901248), (2, 10950624), (3, 7300416), (4, 5475312), (6, 3650208), (8, 2737656), (9, 2433472), (12, 1825104), (16, 1368828), (18, 1216736), (24, 912552), (32, 684414), (36, 608368), (47, 465984), (48, 456276), (64, 342207), (72, 304184), (94, 232992), (96, 228138), (141, 155328), (144, 152092), (188, 116496), (192, 114069), (282, 77664), (288, 76046), (376, 58248), (423, 51776), (564, 38832), (576, 38023), (752, 29124), (809, 27072), (846, 25888), (1128, 19416), (1504, 14562), (1618, 13536), (1692, 12944), (2256, 9708), (2427, 9024), (3008, 7281), (3236, 6768), (3384, 6472), (4512, 4854)]