21197498

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1506

約数の個数: 24

約数和(自身を含む): 37242432

約数和(自身を除く): 16044934

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 1141, 1327, 2282, 2654, 7987, 9289, 15974, 18578, 65023, 130046, 216301, 432602, 1514107, 3028214, 10598749, 21197498]

約数ペア:

[(1, 21197498), (2, 10598749), (7, 3028214), (14, 1514107), (49, 432602), (98, 216301), (163, 130046), (326, 65023), (1141, 18578), (1327, 15974), (2282, 9289), (2654, 7987)]