21262218

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 44482560

約数和(自身を除く): 23220342

約数列:

[1, 2, 3, 6, 31, 62, 79, 93, 158, 186, 237, 474, 1447, 2449, 2894, 4341, 4898, 7347, 8682, 14694, 44857, 89714, 114313, 134571, 228626, 269142, 342939, 685878, 3543703, 7087406, 10631109, 21262218]

約数ペア:

[(1, 21262218), (2, 10631109), (3, 7087406), (6, 3543703), (31, 685878), (62, 342939), (79, 269142), (93, 228626), (158, 134571), (186, 114313), (237, 89714), (474, 44857), (1447, 14694), (2449, 8682), (2894, 7347), (4341, 4898)]