210906990

素因数分解:

$2^1\times 3^6\times 5^1\times 7^1\times {\mathrm{4133}}^1$

素因数の和:4165

約数の個数: 112

約数和(自身を含む): 650658528

約数和(自身を除く): 439751538

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 486, 567, 630, 729, 810, 945, 1134, 1215, 1458, 1701, 1890, 2430, 2835, 3402, 3645, 4133, 5103, 5670, 7290, 8266, 8505, 10206, 12399, 17010, 20665, 24798, 25515, 28931, 37197, 41330, 51030, 57862, 61995, 74394, 86793, 111591, 123990, 144655, 173586, 185985, 223182, 260379, 289310, 334773, 371970, 433965, 520758, 557955, 669546, 781137, 867930, 1004319, 1115910, 1301895, 1562274, 1673865, 2008638, 2343411, 2603790, 3012957, 3347730, 3905685, 4686822, 5021595, 6025914, 7030233, 7811370, 10043190, 11717055, 14060466, 15064785, 21090699, 23434110, 30129570, 35151165, 42181398, 70302330, 105453495, 210906990]

約数ペア:

[(1, 210906990), (2, 105453495), (3, 70302330), (5, 42181398), (6, 35151165), (7, 30129570), (9, 23434110), (10, 21090699), (14, 15064785), (15, 14060466), (18, 11717055), (21, 10043190), (27, 7811370), (30, 7030233), (35, 6025914), (42, 5021595), (45, 4686822), (54, 3905685), (63, 3347730), (70, 3012957), (81, 2603790), (90, 2343411), (105, 2008638), (126, 1673865), (135, 1562274), (162, 1301895), (189, 1115910), (210, 1004319), (243, 867930), (270, 781137), (315, 669546), (378, 557955), (405, 520758), (486, 433965), (567, 371970), (630, 334773), (729, 289310), (810, 260379), (945, 223182), (1134, 185985), (1215, 173586), (1458, 144655), (1701, 123990), (1890, 111591), (2430, 86793), (2835, 74394), (3402, 61995), (3645, 57862), (4133, 51030), (5103, 41330), (5670, 37197), (7290, 28931), (8266, 25515), (8505, 24798), (10206, 20665), (12399, 17010)]