21268378012

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10405273}}^1$

素因数の和:10405357

約数の個数: 24

約数和(自身を含む): 43119455456

約数和(自身を除く): 21851077444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10405273, 20810546, 41621092, 72836911, 145673822, 291347644, 759584929, 1519169858, 3038339716, 5317094503, 10634189006, 21268378012]

約数ペア:

[(1, 21268378012), (2, 10634189006), (4, 5317094503), (7, 3038339716), (14, 1519169858), (28, 759584929), (73, 291347644), (146, 145673822), (292, 72836911), (511, 41621092), (1022, 20810546), (2044, 10405273)]