21796160

素因数分解:

$2^6\times 5^1\times {\mathrm{68113}}^1$

素因数の和:68130

約数の個数: 28

約数和(自身を含む): 51902868

約数和(自身を除く): 30106708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68113, 136226, 272452, 340565, 544904, 681130, 1089808, 1362260, 2179616, 2724520, 4359232, 5449040, 10898080, 21796160]

約数ペア:

[(1, 21796160), (2, 10898080), (4, 5449040), (5, 4359232), (8, 2724520), (10, 2179616), (16, 1362260), (20, 1089808), (32, 681130), (40, 544904), (64, 340565), (80, 272452), (160, 136226), (320, 68113)]