21501888

素因数分解:

$2^6\times 3^1\times {\mathrm{53}}^1\times {\mathrm{2113}}^1$

素因数の和:2181

約数の個数: 56

約数和(自身を含む): 57991248

約数和(自身を除く): 36489360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 159, 192, 212, 318, 424, 636, 848, 1272, 1696, 2113, 2544, 3392, 4226, 5088, 6339, 8452, 10176, 12678, 16904, 25356, 33808, 50712, 67616, 101424, 111989, 135232, 202848, 223978, 335967, 405696, 447956, 671934, 895912, 1343868, 1791824, 2687736, 3583648, 5375472, 7167296, 10750944, 21501888]

約数ペア:

[(1, 21501888), (2, 10750944), (3, 7167296), (4, 5375472), (6, 3583648), (8, 2687736), (12, 1791824), (16, 1343868), (24, 895912), (32, 671934), (48, 447956), (53, 405696), (64, 335967), (96, 223978), (106, 202848), (159, 135232), (192, 111989), (212, 101424), (318, 67616), (424, 50712), (636, 33808), (848, 25356), (1272, 16904), (1696, 12678), (2113, 10176), (2544, 8452), (3392, 6339), (4226, 5088)]