21692320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10429}}^1$

素因数の和:10457

約数の個数: 48

約数和(自身を含む): 55195560

約数和(自身を除く): 33503240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10429, 20858, 41716, 52145, 83432, 104290, 135577, 166864, 208580, 271154, 333728, 417160, 542308, 677885, 834320, 1084616, 1355770, 1668640, 2169232, 2711540, 4338464, 5423080, 10846160, 21692320]

約数ペア:

[(1, 21692320), (2, 10846160), (4, 5423080), (5, 4338464), (8, 2711540), (10, 2169232), (13, 1668640), (16, 1355770), (20, 1084616), (26, 834320), (32, 677885), (40, 542308), (52, 417160), (65, 333728), (80, 271154), (104, 208580), (130, 166864), (160, 135577), (208, 104290), (260, 83432), (416, 52145), (520, 41716), (1040, 20858), (2080, 10429)]