21849660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17341}}^1$

素因数の和:17363

約数の個数: 72

約数和(自身を含む): 75749856

約数和(自身を除く): 53900196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17341, 34682, 52023, 69364, 86705, 104046, 121387, 156069, 173410, 208092, 242774, 260115, 312138, 346820, 364161, 485548, 520230, 606935, 624276, 728322, 780345, 1040460, 1092483, 1213870, 1456644, 1560690, 1820805, 2184966, 2427740, 3121380, 3641610, 4369932, 5462415, 7283220, 10924830, 21849660]

約数ペア:

[(1, 21849660), (2, 10924830), (3, 7283220), (4, 5462415), (5, 4369932), (6, 3641610), (7, 3121380), (9, 2427740), (10, 2184966), (12, 1820805), (14, 1560690), (15, 1456644), (18, 1213870), (20, 1092483), (21, 1040460), (28, 780345), (30, 728322), (35, 624276), (36, 606935), (42, 520230), (45, 485548), (60, 364161), (63, 346820), (70, 312138), (84, 260115), (90, 242774), (105, 208092), (126, 173410), (140, 156069), (180, 121387), (210, 104046), (252, 86705), (315, 69364), (420, 52023), (630, 34682), (1260, 17341)]