21632013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 36516480

約数和(自身を除く): 14884467

約数列:

[1, 3, 9, 13, 19, 37, 39, 57, 111, 117, 171, 247, 263, 333, 481, 703, 741, 789, 1443, 2109, 2223, 2367, 3419, 4329, 4997, 6327, 9139, 9731, 10257, 14991, 27417, 29193, 30771, 44973, 64961, 82251, 87579, 126503, 184889, 194883, 379509, 554667, 584649, 1138527, 1664001, 2403557, 7210671, 21632013]

約数ペア:

[(1, 21632013), (3, 7210671), (9, 2403557), (13, 1664001), (19, 1138527), (37, 584649), (39, 554667), (57, 379509), (111, 194883), (117, 184889), (171, 126503), (247, 87579), (263, 82251), (333, 64961), (481, 44973), (703, 30771), (741, 29193), (789, 27417), (1443, 14991), (2109, 10257), (2223, 9731), (2367, 9139), (3419, 6327), (4329, 4997)]