21480452318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2288563}}^1$

素因数の和:2288616

約数の個数: 24

約数和(自身を含む): 36621601128

約数和(自身を除く): 15141148810

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 4693, 9386, 2288563, 4577126, 29751319, 43482697, 59502638, 86965394, 565275061, 826171243, 1130550122, 1652342486, 10740226159, 21480452318]

約数ペア:

[(1, 21480452318), (2, 10740226159), (13, 1652342486), (19, 1130550122), (26, 826171243), (38, 565275061), (247, 86965394), (361, 59502638), (494, 43482697), (722, 29751319), (4693, 4577126), (9386, 2288563)]