21995974

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10987}}^1$

素因数の和:11020

約数の個数: 32

約数和(自身を含む): 44303616

約数和(自身を除く): 22307642

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10987, 21974, 76909, 120857, 142831, 153818, 241714, 285662, 845999, 999817, 1571141, 1691998, 1999634, 3142282, 10997987, 21995974]

約数ペア:

[(1, 21995974), (2, 10997987), (7, 3142282), (11, 1999634), (13, 1691998), (14, 1571141), (22, 999817), (26, 845999), (77, 285662), (91, 241714), (143, 153818), (154, 142831), (182, 120857), (286, 76909), (1001, 21974), (2002, 10987)]