21059800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3631}}^1$

素因数の和:3676

約数の個数: 48

約数和(自身を含む): 50666400

約数和(自身を除く): 29606600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3631, 5800, 7262, 14524, 18155, 29048, 36310, 72620, 90775, 105299, 145240, 181550, 210598, 363100, 421196, 526495, 726200, 842392, 1052990, 2105980, 2632475, 4211960, 5264950, 10529900, 21059800]

約数ペア:

[(1, 21059800), (2, 10529900), (4, 5264950), (5, 4211960), (8, 2632475), (10, 2105980), (20, 1052990), (25, 842392), (29, 726200), (40, 526495), (50, 421196), (58, 363100), (100, 210598), (116, 181550), (145, 145240), (200, 105299), (232, 90775), (290, 72620), (580, 36310), (725, 29048), (1160, 18155), (1450, 14524), (2900, 7262), (3631, 5800)]