21359600

素因数分解:

$2^4\times 5^2\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:882

約数の個数: 60

約数和(自身を含む): 52147704

約数和(自身を除く): 30788104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 134, 200, 268, 335, 400, 536, 670, 797, 1072, 1340, 1594, 1675, 2680, 3188, 3350, 3985, 5360, 6376, 6700, 7970, 12752, 13400, 15940, 19925, 26800, 31880, 39850, 53399, 63760, 79700, 106798, 159400, 213596, 266995, 318800, 427192, 533990, 854384, 1067980, 1334975, 2135960, 2669950, 4271920, 5339900, 10679800, 21359600]

約数ペア:

[(1, 21359600), (2, 10679800), (4, 5339900), (5, 4271920), (8, 2669950), (10, 2135960), (16, 1334975), (20, 1067980), (25, 854384), (40, 533990), (50, 427192), (67, 318800), (80, 266995), (100, 213596), (134, 159400), (200, 106798), (268, 79700), (335, 63760), (400, 53399), (536, 39850), (670, 31880), (797, 26800), (1072, 19925), (1340, 15940), (1594, 13400), (1675, 12752), (2680, 7970), (3188, 6700), (3350, 6376), (3985, 5360)]