21608850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 54371520

約数和(自身を除く): 32762670

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 2029, 2130, 3550, 4058, 5325, 6087, 10145, 10650, 12174, 20290, 30435, 50725, 60870, 101450, 144059, 152175, 288118, 304350, 432177, 720295, 864354, 1440590, 2160885, 3601475, 4321770, 7202950, 10804425, 21608850]

約数ペア:

[(1, 21608850), (2, 10804425), (3, 7202950), (5, 4321770), (6, 3601475), (10, 2160885), (15, 1440590), (25, 864354), (30, 720295), (50, 432177), (71, 304350), (75, 288118), (142, 152175), (150, 144059), (213, 101450), (355, 60870), (426, 50725), (710, 30435), (1065, 20290), (1775, 12174), (2029, 10650), (2130, 10145), (3550, 6087), (4058, 5325)]