21686370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{907}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 52170048

約数和(自身を除く): 30483678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 797, 907, 1594, 1814, 2391, 2721, 3985, 4535, 4782, 5442, 7970, 9070, 11955, 13605, 23910, 27210, 722879, 1445758, 2168637, 3614395, 4337274, 7228790, 10843185, 21686370]

約数ペア:

[(1, 21686370), (2, 10843185), (3, 7228790), (5, 4337274), (6, 3614395), (10, 2168637), (15, 1445758), (30, 722879), (797, 27210), (907, 23910), (1594, 13605), (1814, 11955), (2391, 9070), (2721, 7970), (3985, 5442), (4535, 4782)]