21584080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38543}}^1$

素因数の和:38563

約数の個数: 40

約数和(自身を含む): 57353472

約数和(自身を除く): 35769392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38543, 77086, 154172, 192715, 269801, 308344, 385430, 539602, 616688, 770860, 1079204, 1349005, 1541720, 2158408, 2698010, 3083440, 4316816, 5396020, 10792040, 21584080]

約数ペア:

[(1, 21584080), (2, 10792040), (4, 5396020), (5, 4316816), (7, 3083440), (8, 2698010), (10, 2158408), (14, 1541720), (16, 1349005), (20, 1079204), (28, 770860), (35, 616688), (40, 539602), (56, 385430), (70, 308344), (80, 269801), (112, 192715), (140, 154172), (280, 77086), (560, 38543)]