21179886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38791}}^1$

素因数の和:38816

約数の個数: 32

約数和(自身を含む): 52136448

約数和(自身を除く): 30956562

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38791, 77582, 116373, 232746, 271537, 504283, 543074, 814611, 1008566, 1512849, 1629222, 3025698, 3529981, 7059962, 10589943, 21179886]

約数ペア:

[(1, 21179886), (2, 10589943), (3, 7059962), (6, 3529981), (7, 3025698), (13, 1629222), (14, 1512849), (21, 1008566), (26, 814611), (39, 543074), (42, 504283), (78, 271537), (91, 232746), (182, 116373), (273, 77582), (546, 38791)]