21278430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78809}}^1$

素因数の和:78825

約数の個数: 32

約数和(自身を含む): 56743200

約数和(自身を除く): 35464770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78809, 157618, 236427, 394045, 472854, 709281, 788090, 1182135, 1418562, 2127843, 2364270, 3546405, 4255686, 7092810, 10639215, 21278430]

約数ペア:

[(1, 21278430), (2, 10639215), (3, 7092810), (5, 4255686), (6, 3546405), (9, 2364270), (10, 2127843), (15, 1418562), (18, 1182135), (27, 788090), (30, 709281), (45, 472854), (54, 394045), (90, 236427), (135, 157618), (270, 78809)]