21612630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 56383488

約数和(自身を除く): 34770858

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 151, 195, 302, 367, 390, 453, 734, 755, 906, 1101, 1510, 1835, 1963, 2202, 2265, 3670, 3926, 4530, 4771, 5505, 5889, 9542, 9815, 11010, 11778, 14313, 19630, 23855, 28626, 29445, 47710, 55417, 58890, 71565, 110834, 143130, 166251, 277085, 332502, 554170, 720421, 831255, 1440842, 1662510, 2161263, 3602105, 4322526, 7204210, 10806315, 21612630]

約数ペア:

[(1, 21612630), (2, 10806315), (3, 7204210), (5, 4322526), (6, 3602105), (10, 2161263), (13, 1662510), (15, 1440842), (26, 831255), (30, 720421), (39, 554170), (65, 332502), (78, 277085), (130, 166251), (151, 143130), (195, 110834), (302, 71565), (367, 58890), (390, 55417), (453, 47710), (734, 29445), (755, 28626), (906, 23855), (1101, 19630), (1510, 14313), (1835, 11778), (1963, 11010), (2202, 9815), (2265, 9542), (3670, 5889), (3926, 5505), (4530, 4771)]