21947700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 64058400

約数和(自身を除く): 42110700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 491, 596, 745, 894, 982, 1473, 1490, 1788, 1964, 2235, 2455, 2946, 2980, 3725, 4470, 4910, 5892, 7365, 7450, 8940, 9820, 11175, 12275, 14730, 14900, 22350, 24550, 29460, 36825, 44700, 49100, 73159, 73650, 146318, 147300, 219477, 292636, 365795, 438954, 731590, 877908, 1097385, 1463180, 1828975, 2194770, 3657950, 4389540, 5486925, 7315900, 10973850, 21947700]

約数ペア:

[(1, 21947700), (2, 10973850), (3, 7315900), (4, 5486925), (5, 4389540), (6, 3657950), (10, 2194770), (12, 1828975), (15, 1463180), (20, 1097385), (25, 877908), (30, 731590), (50, 438954), (60, 365795), (75, 292636), (100, 219477), (149, 147300), (150, 146318), (298, 73650), (300, 73159), (447, 49100), (491, 44700), (596, 36825), (745, 29460), (894, 24550), (982, 22350), (1473, 14900), (1490, 14730), (1788, 12275), (1964, 11175), (2235, 9820), (2455, 8940), (2946, 7450), (2980, 7365), (3725, 5892), (4470, 4910)]