21411670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 27732650

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 947, 1190, 1330, 1615, 1894, 2261, 3230, 4522, 4735, 6629, 9470, 11305, 13258, 16099, 17993, 22610, 32198, 33145, 35986, 66290, 80495, 89965, 112693, 125951, 160990, 179930, 225386, 251902, 305881, 563465, 611762, 629755, 1126930, 1259510, 1529405, 2141167, 3058810, 4282334, 10705835, 21411670]

約数ペア:

[(1, 21411670), (2, 10705835), (5, 4282334), (7, 3058810), (10, 2141167), (14, 1529405), (17, 1259510), (19, 1126930), (34, 629755), (35, 611762), (38, 563465), (70, 305881), (85, 251902), (95, 225386), (119, 179930), (133, 160990), (170, 125951), (190, 112693), (238, 89965), (266, 80495), (323, 66290), (595, 35986), (646, 33145), (665, 32198), (947, 22610), (1190, 17993), (1330, 16099), (1615, 13258), (1894, 11305), (2261, 9470), (3230, 6629), (4522, 4735)]