21078014762

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{486139}}^1$

素因数の和:486330

約数の個数: 32

約数和(自身を含む): 38268940800

約数和(自身を除く): 17190926038

約数列:

[1, 2, 7, 14, 19, 38, 133, 163, 266, 326, 1141, 2282, 3097, 6194, 21679, 43358, 486139, 972278, 3402973, 6805946, 9236641, 18473282, 64656487, 79240657, 129312974, 158481314, 554684599, 1109369198, 1505572483, 3011144966, 10539007381, 21078014762]

約数ペア:

[(1, 21078014762), (2, 10539007381), (7, 3011144966), (14, 1505572483), (19, 1109369198), (38, 554684599), (133, 158481314), (163, 129312974), (266, 79240657), (326, 64656487), (1141, 18473282), (2282, 9236641), (3097, 6805946), (6194, 3402973), (21679, 972278), (43358, 486139)]