21342480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5231}}^1$

素因数の和:5264

約数の個数: 80

約数和(自身を含む): 70066944

約数和(自身を除く): 48724464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5231, 10462, 15693, 20924, 26155, 31386, 41848, 52310, 62772, 78465, 83696, 88927, 104620, 125544, 156930, 177854, 209240, 251088, 266781, 313860, 355708, 418480, 444635, 533562, 627720, 711416, 889270, 1067124, 1255440, 1333905, 1422832, 1778540, 2134248, 2667810, 3557080, 4268496, 5335620, 7114160, 10671240, 21342480]

約数ペア:

[(1, 21342480), (2, 10671240), (3, 7114160), (4, 5335620), (5, 4268496), (6, 3557080), (8, 2667810), (10, 2134248), (12, 1778540), (15, 1422832), (16, 1333905), (17, 1255440), (20, 1067124), (24, 889270), (30, 711416), (34, 627720), (40, 533562), (48, 444635), (51, 418480), (60, 355708), (68, 313860), (80, 266781), (85, 251088), (102, 209240), (120, 177854), (136, 156930), (170, 125544), (204, 104620), (240, 88927), (255, 83696), (272, 78465), (340, 62772), (408, 52310), (510, 41848), (680, 31386), (816, 26155), (1020, 20924), (1360, 15693), (2040, 10462), (4080, 5231)]