21735750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 55134144

約数和(自身を除く): 33398394

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 125, 146, 150, 219, 250, 365, 375, 397, 438, 730, 750, 794, 1095, 1191, 1825, 1985, 2190, 2382, 3650, 3970, 5475, 5955, 9125, 9925, 10950, 11910, 18250, 19850, 27375, 28981, 29775, 49625, 54750, 57962, 59550, 86943, 99250, 144905, 148875, 173886, 289810, 297750, 434715, 724525, 869430, 1449050, 2173575, 3622625, 4347150, 7245250, 10867875, 21735750]

約数ペア:

[(1, 21735750), (2, 10867875), (3, 7245250), (5, 4347150), (6, 3622625), (10, 2173575), (15, 1449050), (25, 869430), (30, 724525), (50, 434715), (73, 297750), (75, 289810), (125, 173886), (146, 148875), (150, 144905), (219, 99250), (250, 86943), (365, 59550), (375, 57962), (397, 54750), (438, 49625), (730, 29775), (750, 28981), (794, 27375), (1095, 19850), (1191, 18250), (1825, 11910), (1985, 10950), (2190, 9925), (2382, 9125), (3650, 5955), (3970, 5475)]