213052644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{845447}}^1$

素因数の和:845464

約数の個数: 36

約数和(自身を含む): 615486144

約数和(自身を除く): 402433500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 845447, 1690894, 2536341, 3381788, 5072682, 5918129, 7609023, 10145364, 11836258, 15218046, 17754387, 23672516, 30436092, 35508774, 53263161, 71017548, 106526322, 213052644]

約数ペア:

[(1, 213052644), (2, 106526322), (3, 71017548), (4, 53263161), (6, 35508774), (7, 30436092), (9, 23672516), (12, 17754387), (14, 15218046), (18, 11836258), (21, 10145364), (28, 7609023), (36, 5918129), (42, 5072682), (63, 3381788), (84, 2536341), (126, 1690894), (252, 845447)]