21351450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1191

約数の個数: 48

約数和(自身を含む): 53389440

約数和(自身を除く): 32037990

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 1039, 1370, 2055, 2078, 3117, 3425, 4110, 5195, 6234, 6850, 10275, 10390, 15585, 20550, 25975, 31170, 51950, 77925, 142343, 155850, 284686, 427029, 711715, 854058, 1423430, 2135145, 3558575, 4270290, 7117150, 10675725, 21351450]

約数ペア:

[(1, 21351450), (2, 10675725), (3, 7117150), (5, 4270290), (6, 3558575), (10, 2135145), (15, 1423430), (25, 854058), (30, 711715), (50, 427029), (75, 284686), (137, 155850), (150, 142343), (274, 77925), (411, 51950), (685, 31170), (822, 25975), (1039, 20550), (1370, 15585), (2055, 10390), (2078, 10275), (3117, 6850), (3425, 6234), (4110, 5195)]