21979110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19801}}^1$

素因数の和:19848

約数の個数: 32

約数和(自身を含む): 54178272

約数和(自身を除く): 32199162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19801, 39602, 59403, 99005, 118806, 198010, 297015, 594030, 732637, 1465274, 2197911, 3663185, 4395822, 7326370, 10989555, 21979110]

約数ペア:

[(1, 21979110), (2, 10989555), (3, 7326370), (5, 4395822), (6, 3663185), (10, 2197911), (15, 1465274), (30, 732637), (37, 594030), (74, 297015), (111, 198010), (185, 118806), (222, 99005), (370, 59403), (555, 39602), (1110, 19801)]