21236150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 43736784

約数和(自身を除く): 22500634

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 883, 925, 962, 1766, 1850, 2405, 4415, 4810, 8830, 11479, 12025, 22075, 22958, 24050, 32671, 44150, 57395, 65342, 114790, 163355, 286975, 326710, 424723, 573950, 816775, 849446, 1633550, 2123615, 4247230, 10618075, 21236150]

約数ペア:

[(1, 21236150), (2, 10618075), (5, 4247230), (10, 2123615), (13, 1633550), (25, 849446), (26, 816775), (37, 573950), (50, 424723), (65, 326710), (74, 286975), (130, 163355), (185, 114790), (325, 65342), (370, 57395), (481, 44150), (650, 32671), (883, 24050), (925, 22958), (962, 22075), (1766, 12025), (1850, 11479), (2405, 8830), (4415, 4810)]