21293714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15478126

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 377, 403, 754, 806, 899, 911, 1798, 1822, 11687, 11843, 23374, 23686, 26419, 28241, 52838, 56482, 343447, 367133, 686894, 734266, 818989, 1637978, 10646857, 21293714]

約数ペア:

[(1, 21293714), (2, 10646857), (13, 1637978), (26, 818989), (29, 734266), (31, 686894), (58, 367133), (62, 343447), (377, 56482), (403, 52838), (754, 28241), (806, 26419), (899, 23686), (911, 23374), (1798, 11843), (1822, 11687)]