21376851327

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{523519}}^1$

素因数の和:523887

約数の個数: 24

約数和(自身を含む): 33348224000

約数和(自身を除く): 11971372673

約数列:

[1, 3, 9, 13, 39, 117, 349, 1047, 3141, 4537, 13611, 40833, 523519, 1570557, 4711671, 6805747, 20417241, 61251723, 182708131, 548124393, 1644373179, 2375205703, 7125617109, 21376851327]

約数ペア:

[(1, 21376851327), (3, 7125617109), (9, 2375205703), (13, 1644373179), (39, 548124393), (117, 182708131), (349, 61251723), (1047, 20417241), (3141, 6805747), (4537, 4711671), (13611, 1570557), (40833, 523519)]