21316503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{883}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 30692480

約数和(自身を除く): 9375977

約数列:

[1, 3, 13, 39, 619, 883, 1857, 2649, 8047, 11479, 24141, 34437, 546577, 1639731, 7105501, 21316503]

約数ペア:

[(1, 21316503), (3, 7105501), (13, 1639731), (39, 546577), (619, 34437), (883, 24141), (1857, 11479), (2649, 8047)]