21102912286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:366

約数の個数: 96

約数和(自身を含む): 35862393600

約数和(自身を除く): 14759481314

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 89, 151, 178, 302, 589, 817, 961, 1178, 1333, 1634, 1691, 1922, 2666, 2759, 2869, 3382, 3827, 4681, 5518, 5738, 6493, 7654, 9362, 12986, 13439, 18259, 25327, 26878, 36518, 41323, 50654, 52421, 72713, 82646, 85529, 88939, 104842, 118637, 123367, 145111, 145426, 171058, 177878, 201283, 237274, 246734, 255341, 290222, 402566, 416609, 510682, 577877, 785137, 833218, 1155754, 1570274, 1625051, 2254103, 2757109, 3250102, 3677747, 3824377, 4508206, 5514218, 6239773, 7355494, 7648754, 7915571, 10979663, 12479546, 12914879, 15831142, 17914187, 21959326, 25829758, 35828374, 69877193, 118555687, 139754386, 237111374, 245382701, 340369553, 490765402, 555339797, 680739106, 1110679594, 10551456143, 21102912286]

約数ペア:

[(1, 21102912286), (2, 10551456143), (19, 1110679594), (31, 680739106), (38, 555339797), (43, 490765402), (62, 340369553), (86, 245382701), (89, 237111374), (151, 139754386), (178, 118555687), (302, 69877193), (589, 35828374), (817, 25829758), (961, 21959326), (1178, 17914187), (1333, 15831142), (1634, 12914879), (1691, 12479546), (1922, 10979663), (2666, 7915571), (2759, 7648754), (2869, 7355494), (3382, 6239773), (3827, 5514218), (4681, 4508206), (5518, 3824377), (5738, 3677747), (6493, 3250102), (7654, 2757109), (9362, 2254103), (12986, 1625051), (13439, 1570274), (18259, 1155754), (25327, 833218), (26878, 785137), (36518, 577877), (41323, 510682), (50654, 416609), (52421, 402566), (72713, 290222), (82646, 255341), (85529, 246734), (88939, 237274), (104842, 201283), (118637, 177878), (123367, 171058), (145111, 145426)]