21000535727890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{9277}}^1\times {\mathrm{45121}}^1$

素因数の和:54607

約数の個数: 64

約数和(自身を含む): 39335594427360

約数和(自身を除く): 18335058699470

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 865, 1730, 5017, 9277, 10034, 18554, 25085, 45121, 46385, 50170, 90242, 92770, 225605, 269033, 451210, 538066, 1308509, 1345165, 1604921, 2617018, 2690330, 3209842, 6542545, 7805933, 8024605, 13085090, 15611866, 16049210, 39029665, 46542709, 78059330, 93085418, 226372057, 232713545, 418587517, 452744114, 465427090, 837175034, 1131860285, 2092937585, 2263720570, 4185875170, 12139037993, 24278075986, 60695189965, 72415640441, 121390379930, 144831280882, 362078202205, 724156404410, 2100053572789, 4200107145578, 10500267863945, 21000535727890]

約数ペア:

[(1, 21000535727890), (2, 10500267863945), (5, 4200107145578), (10, 2100053572789), (29, 724156404410), (58, 362078202205), (145, 144831280882), (173, 121390379930), (290, 72415640441), (346, 60695189965), (865, 24278075986), (1730, 12139037993), (5017, 4185875170), (9277, 2263720570), (10034, 2092937585), (18554, 1131860285), (25085, 837175034), (45121, 465427090), (46385, 452744114), (50170, 418587517), (90242, 232713545), (92770, 226372057), (225605, 93085418), (269033, 78059330), (451210, 46542709), (538066, 39029665), (1308509, 16049210), (1345165, 15611866), (1604921, 13085090), (2617018, 8024605), (2690330, 7805933), (3209842, 6542545)]