21520235519

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8677}}^1\times {\mathrm{3943}}^1$

素因数の和:12674

約数の個数: 16

約数和(自身を含む): 23410605888

約数和(自身を除く): 1890370369

約数列:

[1, 17, 37, 629, 3943, 8677, 67031, 145891, 147509, 321049, 2480147, 5457833, 34213411, 581627987, 1265896207, 21520235519]

約数ペア:

[(1, 21520235519), (17, 1265896207), (37, 581627987), (629, 34213411), (3943, 5457833), (8677, 2480147), (67031, 321049), (145891, 147509)]