21087516

素因数分解:

$2^2\times 3^1\times {\mathrm{1163}}^1\times {\mathrm{1511}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 49279104

約数和(自身を除く): 28191588

約数列:

[1, 2, 3, 4, 6, 12, 1163, 1511, 2326, 3022, 3489, 4533, 4652, 6044, 6978, 9066, 13956, 18132, 1757293, 3514586, 5271879, 7029172, 10543758, 21087516]

約数ペア:

[(1, 21087516), (2, 10543758), (3, 7029172), (4, 5271879), (6, 3514586), (12, 1757293), (1163, 18132), (1511, 13956), (2326, 9066), (3022, 6978), (3489, 6044), (4533, 4652)]