21889279545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1\times {\mathrm{977}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 40244152320

約数和(自身を除く): 18354872775

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 379, 563, 977, 1137, 1689, 1895, 2653, 2815, 2931, 3941, 4885, 5685, 6839, 7959, 8445, 11823, 13265, 14655, 19705, 20517, 34195, 39795, 59115, 102585, 213377, 370283, 550051, 640131, 1066885, 1110849, 1493639, 1650153, 1851415, 2591981, 2750255, 3200655, 3850357, 4480917, 5554245, 7468195, 7775943, 8250765, 11551071, 12959905, 19251785, 22404585, 38879715, 57755355, 208469329, 625407987, 1042346645, 1459285303, 3127039935, 4377855909, 7296426515, 21889279545]

約数ペア:

[(1, 21889279545), (3, 7296426515), (5, 4377855909), (7, 3127039935), (15, 1459285303), (21, 1042346645), (35, 625407987), (105, 208469329), (379, 57755355), (563, 38879715), (977, 22404585), (1137, 19251785), (1689, 12959905), (1895, 11551071), (2653, 8250765), (2815, 7775943), (2931, 7468195), (3941, 5554245), (4885, 4480917), (5685, 3850357), (6839, 3200655), (7959, 2750255), (8445, 2591981), (11823, 1851415), (13265, 1650153), (14655, 1493639), (19705, 1110849), (20517, 1066885), (34195, 640131), (39795, 550051), (59115, 370283), (102585, 213377)]