21162116

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 39530652

約数和(自身を除く): 18368536

約数列:

[1, 2, 4, 23, 46, 73, 92, 137, 146, 274, 292, 529, 548, 1058, 1679, 2116, 3151, 3358, 6302, 6716, 10001, 12604, 20002, 38617, 40004, 72473, 77234, 144946, 154468, 230023, 289892, 460046, 920092, 5290529, 10581058, 21162116]

約数ペア:

[(1, 21162116), (2, 10581058), (4, 5290529), (23, 920092), (46, 460046), (73, 289892), (92, 230023), (137, 154468), (146, 144946), (274, 77234), (292, 72473), (529, 40004), (548, 38617), (1058, 20002), (1679, 12604), (2116, 10001), (3151, 6716), (3358, 6302)]