21399108

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{3371}}^1$

素因数の和:3424

約数の個数: 36

約数和(自身を含む): 52212048

約数和(自身を除く): 30812940

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 529, 1058, 1587, 2116, 3174, 3371, 6348, 6742, 10113, 13484, 20226, 40452, 77533, 155066, 232599, 310132, 465198, 930396, 1783259, 3566518, 5349777, 7133036, 10699554, 21399108]

約数ペア:

[(1, 21399108), (2, 10699554), (3, 7133036), (4, 5349777), (6, 3566518), (12, 1783259), (23, 930396), (46, 465198), (69, 310132), (92, 232599), (138, 155066), (276, 77533), (529, 40452), (1058, 20226), (1587, 13484), (2116, 10113), (3174, 6742), (3371, 6348)]