21756060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40289}}^1$

素因数の和:40307

約数の個数: 48

約数和(自身を含む): 67687200

約数和(自身を除く): 45931140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40289, 80578, 120867, 161156, 201445, 241734, 362601, 402890, 483468, 604335, 725202, 805780, 1087803, 1208670, 1450404, 1813005, 2175606, 2417340, 3626010, 4351212, 5439015, 7252020, 10878030, 21756060]

約数ペア:

[(1, 21756060), (2, 10878030), (3, 7252020), (4, 5439015), (5, 4351212), (6, 3626010), (9, 2417340), (10, 2175606), (12, 1813005), (15, 1450404), (18, 1208670), (20, 1087803), (27, 805780), (30, 725202), (36, 604335), (45, 483468), (54, 402890), (60, 362601), (90, 241734), (108, 201445), (135, 161156), (180, 120867), (270, 80578), (540, 40289)]