21072801887

素因数分解:

${\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1\times {\mathrm{1531}}^1$

素因数の和:2474

約数の個数: 16

約数和(自身を含む): 21474166560

約数和(自身を除く): 401364673

約数列:

[1, 73, 409, 461, 1531, 29857, 33653, 111763, 188549, 626179, 705791, 13764077, 45711067, 51522743, 288668519, 21072801887]

約数ペア:

[(1, 21072801887), (73, 288668519), (409, 51522743), (461, 45711067), (1531, 13764077), (29857, 705791), (33653, 626179), (111763, 188549)]