21448188

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31357}}^1$

素因数の和:31386

約数の個数: 36

約数和(自身を含む): 57071560

約数和(自身を除く): 35623372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31357, 62714, 94071, 125428, 188142, 282213, 376284, 564426, 595783, 1128852, 1191566, 1787349, 2383132, 3574698, 5362047, 7149396, 10724094, 21448188]

約数ペア:

[(1, 21448188), (2, 10724094), (3, 7149396), (4, 5362047), (6, 3574698), (9, 2383132), (12, 1787349), (18, 1191566), (19, 1128852), (36, 595783), (38, 564426), (57, 376284), (76, 282213), (114, 188142), (171, 125428), (228, 94071), (342, 62714), (684, 31357)]