21371388

素因数分解:

$2^2\times 3^1\times {\mathrm{571}}^1\times {\mathrm{3119}}^1$

素因数の和:3697

約数の個数: 24

約数和(自身を含む): 49969920

約数和(自身を除く): 28598532

約数列:

[1, 2, 3, 4, 6, 12, 571, 1142, 1713, 2284, 3119, 3426, 6238, 6852, 9357, 12476, 18714, 37428, 1780949, 3561898, 5342847, 7123796, 10685694, 21371388]

約数ペア:

[(1, 21371388), (2, 10685694), (3, 7123796), (4, 5342847), (6, 3561898), (12, 1780949), (571, 37428), (1142, 18714), (1713, 12476), (2284, 9357), (3119, 6852), (3426, 6238)]