21878045308

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1\times {\mathrm{8839}}^1$

素因数の和:9770

約数の個数: 48

約数和(自身を含む): 44216972800

約数和(自身を除く): 22338927492

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 811, 1526, 1622, 3052, 3244, 5677, 8839, 11354, 17678, 22708, 35356, 61873, 88399, 123746, 176798, 247492, 353596, 618793, 963451, 1237586, 1926902, 2475172, 3853804, 6744157, 7168429, 13488314, 14336858, 26976628, 28673716, 50179003, 100358006, 200716012, 781358761, 1562717522, 3125435044, 5469511327, 10939022654, 21878045308]

約数ペア:

[(1, 21878045308), (2, 10939022654), (4, 5469511327), (7, 3125435044), (14, 1562717522), (28, 781358761), (109, 200716012), (218, 100358006), (436, 50179003), (763, 28673716), (811, 26976628), (1526, 14336858), (1622, 13488314), (3052, 7168429), (3244, 6744157), (5677, 3853804), (8839, 2475172), (11354, 1926902), (17678, 1237586), (22708, 963451), (35356, 618793), (61873, 353596), (88399, 247492), (123746, 176798)]