21174270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54293}}^1$

素因数の和:54316

約数の個数: 32

約数和(自身を含む): 54728352

約数和(自身を除く): 33554082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54293, 108586, 162879, 271465, 325758, 542930, 705809, 814395, 1411618, 1628790, 2117427, 3529045, 4234854, 7058090, 10587135, 21174270]

約数ペア:

[(1, 21174270), (2, 10587135), (3, 7058090), (5, 4234854), (6, 3529045), (10, 2117427), (13, 1628790), (15, 1411618), (26, 814395), (30, 705809), (39, 542930), (65, 325758), (78, 271465), (130, 162879), (195, 108586), (390, 54293)]