21152803516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{8363}}^1$

素因数の和:8890

約数の個数: 48

約数和(自身を含む): 40288518144

約数和(自身を除く): 19135714628

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 383, 508, 766, 1532, 1651, 3302, 4979, 6604, 8363, 9958, 16726, 19916, 33452, 48641, 97282, 108719, 194564, 217438, 434876, 632333, 1062101, 1264666, 2124202, 2529332, 3203029, 4248404, 6406058, 12812116, 13807313, 27614626, 41639377, 55229252, 83278754, 166557508, 406784683, 813569366, 1627138732, 5288200879, 10576401758, 21152803516]

約数ペア:

[(1, 21152803516), (2, 10576401758), (4, 5288200879), (13, 1627138732), (26, 813569366), (52, 406784683), (127, 166557508), (254, 83278754), (383, 55229252), (508, 41639377), (766, 27614626), (1532, 13807313), (1651, 12812116), (3302, 6406058), (4979, 4248404), (6604, 3203029), (8363, 2529332), (9958, 2124202), (16726, 1264666), (19916, 1062101), (33452, 632333), (48641, 434876), (97282, 217438), (108719, 194564)]