21908280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2311}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 66585600

約数和(自身を除く): 44677320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2311, 2370, 3160, 4622, 4740, 6933, 9244, 9480, 11555, 13866, 18488, 23110, 27732, 34665, 46220, 55464, 69330, 92440, 138660, 182569, 277320, 365138, 547707, 730276, 912845, 1095414, 1460552, 1825690, 2190828, 2738535, 3651380, 4381656, 5477070, 7302760, 10954140, 21908280]

約数ペア:

[(1, 21908280), (2, 10954140), (3, 7302760), (4, 5477070), (5, 4381656), (6, 3651380), (8, 2738535), (10, 2190828), (12, 1825690), (15, 1460552), (20, 1095414), (24, 912845), (30, 730276), (40, 547707), (60, 365138), (79, 277320), (120, 182569), (158, 138660), (237, 92440), (316, 69330), (395, 55464), (474, 46220), (632, 34665), (790, 27732), (948, 23110), (1185, 18488), (1580, 13866), (1896, 11555), (2311, 9480), (2370, 9244), (3160, 6933), (4622, 4740)]