21990959936

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1644061}}^1$

素因数の和:1644103

約数の個数: 56

約数和(自身を含む): 50111009760

約数和(自身を除く): 28120049824

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1672, 3344, 6688, 13376, 1644061, 3288122, 6576244, 13152488, 18084671, 26304976, 31237159, 36169342, 52609952, 62474318, 72338684, 105219904, 124948636, 144677368, 249897272, 289354736, 343608749, 499794544, 578709472, 687217498, 999589088, 1157418944, 1374434996, 1999178176, 2748869992, 5497739984, 10995479968, 21990959936]

約数ペア:

[(1, 21990959936), (2, 10995479968), (4, 5497739984), (8, 2748869992), (11, 1999178176), (16, 1374434996), (19, 1157418944), (22, 999589088), (32, 687217498), (38, 578709472), (44, 499794544), (64, 343608749), (76, 289354736), (88, 249897272), (152, 144677368), (176, 124948636), (209, 105219904), (304, 72338684), (352, 62474318), (418, 52609952), (608, 36169342), (704, 31237159), (836, 26304976), (1216, 18084671), (1672, 13152488), (3344, 6576244), (6688, 3288122), (13376, 1644061)]