21525088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 46463760

約数和(自身を除く): 24938672

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 767, 877, 944, 1534, 1754, 1888, 3068, 3508, 6136, 7016, 11401, 12272, 14032, 22802, 24544, 28064, 45604, 51743, 91208, 103486, 182416, 206972, 364832, 413944, 672659, 827888, 1345318, 1655776, 2690636, 5381272, 10762544, 21525088]

約数ペア:

[(1, 21525088), (2, 10762544), (4, 5381272), (8, 2690636), (13, 1655776), (16, 1345318), (26, 827888), (32, 672659), (52, 413944), (59, 364832), (104, 206972), (118, 182416), (208, 103486), (236, 91208), (416, 51743), (472, 45604), (767, 28064), (877, 24544), (944, 22802), (1534, 14032), (1754, 12272), (1888, 11401), (3068, 7016), (3508, 6136)]