21568488003

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{142217}}^1$

素因数の和:142404

約数の個数: 32

約数和(自身を含む): 32971821120

約数和(自身を除く): 11403333117

約数列:

[1, 3, 9, 27, 41, 123, 137, 369, 411, 1107, 1233, 3699, 5617, 16851, 50553, 142217, 151659, 426651, 1279953, 3839859, 5830897, 17492691, 19483729, 52478073, 58451187, 157434219, 175353561, 526060683, 798832889, 2396498667, 7189496001, 21568488003]

約数ペア:

[(1, 21568488003), (3, 7189496001), (9, 2396498667), (27, 798832889), (41, 526060683), (123, 175353561), (137, 157434219), (369, 58451187), (411, 52478073), (1107, 19483729), (1233, 17492691), (3699, 5830897), (5617, 3839859), (16851, 1279953), (50553, 426651), (142217, 151659)]