21576270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8180

約数の個数: 32

約数和(自身を含む): 52371360

約数和(自身を除く): 30795090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 8081, 16162, 24243, 40405, 48486, 80810, 121215, 242430, 719209, 1438418, 2157627, 3596045, 4315254, 7192090, 10788135, 21576270]

約数ペア:

[(1, 21576270), (2, 10788135), (3, 7192090), (5, 4315254), (6, 3596045), (10, 2157627), (15, 1438418), (30, 719209), (89, 242430), (178, 121215), (267, 80810), (445, 48486), (534, 40405), (890, 24243), (1335, 16162), (2670, 8081)]