21167983065

素因数分解:

$3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2698277}}^1$

素因数の和:2698808

約数の個数: 16

約数和(自身を含む): 33933544128

約数和(自身を除く): 12765561063

約数列:

[1, 3, 5, 15, 523, 1569, 2615, 7845, 2698277, 8094831, 13491385, 40474155, 1411198871, 4233596613, 7055994355, 21167983065]

約数ペア:

[(1, 21167983065), (3, 7055994355), (5, 4233596613), (15, 1411198871), (523, 40474155), (1569, 13491385), (2615, 8094831), (7845, 2698277)]