21931283725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{15361}}^1$

素因数の和:15598

約数の個数: 48

約数和(自身を含む): 30722033664

約数和(自身を除く): 8790749939

約数列:

[1, 5, 13, 23, 25, 65, 115, 191, 299, 325, 575, 955, 1495, 2483, 4393, 4775, 7475, 12415, 15361, 21965, 57109, 62075, 76805, 109825, 199693, 285545, 353303, 384025, 998465, 1427725, 1766515, 2933951, 4592939, 4992325, 8832575, 14669755, 22964695, 38141363, 67480873, 73348775, 114823475, 190706815, 337404365, 877251349, 953534075, 1687021825, 4386256745, 21931283725]

約数ペア:

[(1, 21931283725), (5, 4386256745), (13, 1687021825), (23, 953534075), (25, 877251349), (65, 337404365), (115, 190706815), (191, 114823475), (299, 73348775), (325, 67480873), (575, 38141363), (955, 22964695), (1495, 14669755), (2483, 8832575), (4393, 4992325), (4775, 4592939), (7475, 2933951), (12415, 1766515), (15361, 1427725), (21965, 998465), (57109, 384025), (62075, 353303), (76805, 285545), (109825, 199693)]