21838518

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2393}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 52572240

約数和(自身を除く): 30733722

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2393, 3042, 4563, 4786, 7179, 9126, 14358, 21537, 31109, 43074, 62218, 64611, 93327, 129222, 186654, 279981, 404417, 559962, 808834, 839943, 1213251, 1679886, 2426502, 3639753, 7279506, 10919259, 21838518]

約数ペア:

[(1, 21838518), (2, 10919259), (3, 7279506), (6, 3639753), (9, 2426502), (13, 1679886), (18, 1213251), (26, 839943), (27, 808834), (39, 559962), (54, 404417), (78, 279981), (117, 186654), (169, 129222), (234, 93327), (338, 64611), (351, 62218), (507, 43074), (702, 31109), (1014, 21537), (1521, 14358), (2393, 9126), (3042, 7179), (4563, 4786)]