21964340224

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{691921}}^1$

素因数の和:691972

約数の個数: 44

約数和(自身を含む): 45323658688

約数和(自身を除く): 23359318464

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 3968, 7936, 15872, 31744, 691921, 1383842, 2767684, 5535368, 11070736, 21449551, 22141472, 42899102, 44282944, 85798204, 88565888, 171596408, 177131776, 343192816, 354263552, 686385632, 708527104, 1372771264, 2745542528, 5491085056, 10982170112, 21964340224]

約数ペア:

[(1, 21964340224), (2, 10982170112), (4, 5491085056), (8, 2745542528), (16, 1372771264), (31, 708527104), (32, 686385632), (62, 354263552), (64, 343192816), (124, 177131776), (128, 171596408), (248, 88565888), (256, 85798204), (496, 44282944), (512, 42899102), (992, 22141472), (1024, 21449551), (1984, 11070736), (3968, 5535368), (7936, 2767684), (15872, 1383842), (31744, 691921)]