21998232

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{1103}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 59847840

約数和(自身を除く): 37849608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1103, 1108, 1662, 2206, 2216, 2493, 3309, 3324, 4412, 4986, 6618, 6648, 8824, 9927, 9972, 13236, 19854, 19944, 26472, 39708, 79416, 305531, 611062, 916593, 1222124, 1833186, 2444248, 2749779, 3666372, 5499558, 7332744, 10999116, 21998232]

約数ペア:

[(1, 21998232), (2, 10999116), (3, 7332744), (4, 5499558), (6, 3666372), (8, 2749779), (9, 2444248), (12, 1833186), (18, 1222124), (24, 916593), (36, 611062), (72, 305531), (277, 79416), (554, 39708), (831, 26472), (1103, 19944), (1108, 19854), (1662, 13236), (2206, 9972), (2216, 9927), (2493, 8824), (3309, 6648), (3324, 6618), (4412, 4986)]