21000295750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179107}}^1$

素因数の和:179198

約数の個数: 64

約数和(自身を含む): 45599463936

約数和(自身を除く): 24599168186

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 125, 134, 175, 250, 335, 350, 469, 670, 875, 938, 1675, 1750, 2345, 3350, 4690, 8375, 11725, 16750, 23450, 58625, 117250, 179107, 358214, 895535, 1253749, 1791070, 2507498, 4477675, 6268745, 8955350, 12000169, 12537490, 22388375, 24000338, 31343725, 44776750, 60000845, 62687450, 84001183, 120001690, 156718625, 168002366, 300004225, 313437250, 420005915, 600008450, 840011830, 1500021125, 2100029575, 3000042250, 4200059150, 10500147875, 21000295750]

約数ペア:

[(1, 21000295750), (2, 10500147875), (5, 4200059150), (7, 3000042250), (10, 2100029575), (14, 1500021125), (25, 840011830), (35, 600008450), (50, 420005915), (67, 313437250), (70, 300004225), (125, 168002366), (134, 156718625), (175, 120001690), (250, 84001183), (335, 62687450), (350, 60000845), (469, 44776750), (670, 31343725), (875, 24000338), (938, 22388375), (1675, 12537490), (1750, 12000169), (2345, 8955350), (3350, 6268745), (4690, 4477675), (8375, 2507498), (11725, 1791070), (16750, 1253749), (23450, 895535), (58625, 358214), (117250, 179107)]