21349584

素因数分解:

$2^4\times 3^2\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1044

約数の個数: 60

約数和(自身を含む): 60164676

約数和(自身を除く): 38815092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 173, 346, 519, 692, 857, 1038, 1384, 1557, 1714, 2076, 2571, 2768, 3114, 3428, 4152, 5142, 6228, 6856, 7713, 8304, 10284, 12456, 13712, 15426, 20568, 24912, 30852, 41136, 61704, 123408, 148261, 296522, 444783, 593044, 889566, 1186088, 1334349, 1779132, 2372176, 2668698, 3558264, 5337396, 7116528, 10674792, 21349584]

約数ペア:

[(1, 21349584), (2, 10674792), (3, 7116528), (4, 5337396), (6, 3558264), (8, 2668698), (9, 2372176), (12, 1779132), (16, 1334349), (18, 1186088), (24, 889566), (36, 593044), (48, 444783), (72, 296522), (144, 148261), (173, 123408), (346, 61704), (519, 41136), (692, 30852), (857, 24912), (1038, 20568), (1384, 15426), (1557, 13712), (1714, 12456), (2076, 10284), (2571, 8304), (2768, 7713), (3114, 6856), (3428, 6228), (4152, 5142)]