21449968150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1171}}^1\times {\mathrm{28181}}^1$

素因数の和:29377

約数の個数: 48

約数和(自身を含む): 43004153808

約数和(自身を除く): 21554185658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1171, 2342, 5855, 11710, 15223, 28181, 29275, 30446, 56362, 58550, 76115, 140905, 152230, 281810, 366353, 380575, 704525, 732706, 761150, 1409050, 1831765, 3663530, 9158825, 18317650, 32999951, 65999902, 164999755, 329999510, 428999363, 824998775, 857998726, 1649997550, 2144996815, 4289993630, 10724984075, 21449968150]

約数ペア:

[(1, 21449968150), (2, 10724984075), (5, 4289993630), (10, 2144996815), (13, 1649997550), (25, 857998726), (26, 824998775), (50, 428999363), (65, 329999510), (130, 164999755), (325, 65999902), (650, 32999951), (1171, 18317650), (2342, 9158825), (5855, 3663530), (11710, 1831765), (15223, 1409050), (28181, 761150), (29275, 732706), (30446, 704525), (56362, 380575), (58550, 366353), (76115, 281810), (140905, 152230)]