21295416

素因数分解:

$2^3\times 3^1\times {\mathrm{389}}^1\times {\mathrm{2281}}^1$

素因数の和:2679

約数の個数: 32

約数和(自身を含む): 53398800

約数和(自身を除く): 32103384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 389, 778, 1167, 1556, 2281, 2334, 3112, 4562, 4668, 6843, 9124, 9336, 13686, 18248, 27372, 54744, 887309, 1774618, 2661927, 3549236, 5323854, 7098472, 10647708, 21295416]

約数ペア:

[(1, 21295416), (2, 10647708), (3, 7098472), (4, 5323854), (6, 3549236), (8, 2661927), (12, 1774618), (24, 887309), (389, 54744), (778, 27372), (1167, 18248), (1556, 13686), (2281, 9336), (2334, 9124), (3112, 6843), (4562, 4668)]