21419200

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1217}}^1$

素因数の和:1250

約数の個数: 84

約数和(自身を含む): 57543192

約数和(自身を除く): 36123992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1217, 1600, 1760, 2200, 2434, 3520, 4400, 4868, 6085, 8800, 9736, 12170, 13387, 17600, 19472, 24340, 26774, 30425, 38944, 48680, 53548, 60850, 66935, 77888, 97360, 107096, 121700, 133870, 194720, 214192, 243400, 267740, 334675, 389440, 428384, 486800, 535480, 669350, 856768, 973600, 1070960, 1338700, 1947200, 2141920, 2677400, 4283840, 5354800, 10709600, 21419200]

約数ペア:

[(1, 21419200), (2, 10709600), (4, 5354800), (5, 4283840), (8, 2677400), (10, 2141920), (11, 1947200), (16, 1338700), (20, 1070960), (22, 973600), (25, 856768), (32, 669350), (40, 535480), (44, 486800), (50, 428384), (55, 389440), (64, 334675), (80, 267740), (88, 243400), (100, 214192), (110, 194720), (160, 133870), (176, 121700), (200, 107096), (220, 97360), (275, 77888), (320, 66935), (352, 60850), (400, 53548), (440, 48680), (550, 38944), (704, 30425), (800, 26774), (880, 24340), (1100, 19472), (1217, 17600), (1600, 13387), (1760, 12170), (2200, 9736), (2434, 8800), (3520, 6085), (4400, 4868)]