21629950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25447}}^1$

素因数の和:25476

約数の個数: 24

約数和(自身を含む): 42599952

約数和(自身を除く): 20970002

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25447, 50894, 127235, 254470, 432599, 636175, 865198, 1272350, 2162995, 4325990, 10814975, 21629950]

約数ペア:

[(1, 21629950), (2, 10814975), (5, 4325990), (10, 2162995), (17, 1272350), (25, 865198), (34, 636175), (50, 432599), (85, 254470), (170, 127235), (425, 50894), (850, 25447)]