21787402390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7829}}^1\times {\mathrm{21407}}^1$

素因数の和:29256

約数の個数: 32

約数和(自身を含む): 42241409280

約数和(自身を除く): 20454006890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7829, 15658, 21407, 39145, 42814, 78290, 101777, 107035, 203554, 214070, 278291, 508885, 556582, 1017770, 1391455, 2782910, 167595403, 335190806, 837977015, 1675954030, 2178740239, 4357480478, 10893701195, 21787402390]

約数ペア:

[(1, 21787402390), (2, 10893701195), (5, 4357480478), (10, 2178740239), (13, 1675954030), (26, 837977015), (65, 335190806), (130, 167595403), (7829, 2782910), (15658, 1391455), (21407, 1017770), (39145, 556582), (42814, 508885), (78290, 278291), (101777, 214070), (107035, 203554)]