21768900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 63537600

約数和(自身を除く): 41768700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 487, 596, 745, 894, 974, 1461, 1490, 1788, 1948, 2235, 2435, 2922, 2980, 3725, 4470, 4870, 5844, 7305, 7450, 8940, 9740, 11175, 12175, 14610, 14900, 22350, 24350, 29220, 36525, 44700, 48700, 72563, 73050, 145126, 146100, 217689, 290252, 362815, 435378, 725630, 870756, 1088445, 1451260, 1814075, 2176890, 3628150, 4353780, 5442225, 7256300, 10884450, 21768900]

約数ペア:

[(1, 21768900), (2, 10884450), (3, 7256300), (4, 5442225), (5, 4353780), (6, 3628150), (10, 2176890), (12, 1814075), (15, 1451260), (20, 1088445), (25, 870756), (30, 725630), (50, 435378), (60, 362815), (75, 290252), (100, 217689), (149, 146100), (150, 145126), (298, 73050), (300, 72563), (447, 48700), (487, 44700), (596, 36525), (745, 29220), (894, 24350), (974, 22350), (1461, 14900), (1490, 14610), (1788, 12175), (1948, 11175), (2235, 9740), (2435, 8940), (2922, 7450), (2980, 7305), (3725, 5844), (4470, 4870)]