21182964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{419}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33007116

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 383, 419, 766, 838, 1149, 1257, 1532, 1676, 2298, 2514, 4213, 4596, 4609, 5028, 8426, 9218, 12639, 13827, 16852, 18436, 25278, 27654, 50556, 55308, 160477, 320954, 481431, 641908, 962862, 1765247, 1925724, 3530494, 5295741, 7060988, 10591482, 21182964]

約数ペア:

[(1, 21182964), (2, 10591482), (3, 7060988), (4, 5295741), (6, 3530494), (11, 1925724), (12, 1765247), (22, 962862), (33, 641908), (44, 481431), (66, 320954), (132, 160477), (383, 55308), (419, 50556), (766, 27654), (838, 25278), (1149, 18436), (1257, 16852), (1532, 13827), (1676, 12639), (2298, 9218), (2514, 8426), (4213, 5028), (4596, 4609)]