21000786630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1328323}}^1$

素因数の和:1328381

約数の個数: 64

約数和(自身を含む): 55088252928

約数和(自身を除く): 34087466298

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1581, 2635, 3162, 5270, 7905, 15810, 1328323, 2656646, 3984969, 6641615, 7969938, 13283230, 19924845, 22581491, 39849690, 41178013, 45162982, 67744473, 82356026, 112907455, 123534039, 135488946, 205890065, 225814910, 247068078, 338722365, 411780130, 617670195, 677444730, 700026221, 1235340390, 1400052442, 2100078663, 3500131105, 4200157326, 7000262210, 10500393315, 21000786630]

約数ペア:

[(1, 21000786630), (2, 10500393315), (3, 7000262210), (5, 4200157326), (6, 3500131105), (10, 2100078663), (15, 1400052442), (17, 1235340390), (30, 700026221), (31, 677444730), (34, 617670195), (51, 411780130), (62, 338722365), (85, 247068078), (93, 225814910), (102, 205890065), (155, 135488946), (170, 123534039), (186, 112907455), (255, 82356026), (310, 67744473), (465, 45162982), (510, 41178013), (527, 39849690), (930, 22581491), (1054, 19924845), (1581, 13283230), (2635, 7969938), (3162, 6641615), (5270, 3984969), (7905, 2656646), (15810, 1328323)]