21912704

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 26557696

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 197, 316, 352, 394, 632, 704, 788, 869, 1264, 1408, 1576, 1738, 2167, 2528, 3152, 3476, 4334, 5056, 6304, 6952, 8668, 10112, 12608, 13904, 15563, 17336, 25216, 27808, 31126, 34672, 55616, 62252, 69344, 111232, 124504, 138688, 171193, 249008, 277376, 342386, 498016, 684772, 996032, 1369544, 1992064, 2739088, 5478176, 10956352, 21912704]

約数ペア:

[(1, 21912704), (2, 10956352), (4, 5478176), (8, 2739088), (11, 1992064), (16, 1369544), (22, 996032), (32, 684772), (44, 498016), (64, 342386), (79, 277376), (88, 249008), (128, 171193), (158, 138688), (176, 124504), (197, 111232), (316, 69344), (352, 62252), (394, 55616), (632, 34672), (704, 31126), (788, 27808), (869, 25216), (1264, 17336), (1408, 15563), (1576, 13904), (1738, 12608), (2167, 10112), (2528, 8668), (3152, 6952), (3476, 6304), (4334, 5056)]