21634749

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 34070400

約数和(自身を除く): 12435651

約数列:

[1, 3, 9, 19, 27, 57, 171, 181, 233, 513, 543, 699, 1629, 2097, 3439, 4427, 4887, 6291, 10317, 13281, 30951, 39843, 42173, 92853, 119529, 126519, 379557, 801287, 1138671, 2403861, 7211583, 21634749]

約数ペア:

[(1, 21634749), (3, 7211583), (9, 2403861), (19, 1138671), (27, 801287), (57, 379557), (171, 126519), (181, 119529), (233, 92853), (513, 42173), (543, 39843), (699, 30951), (1629, 13281), (2097, 10317), (3439, 6291), (4427, 4887)]