21074160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 65772576

約数和(自身を除く): 44698416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 317, 554, 634, 831, 951, 1108, 1268, 1385, 1585, 1662, 1902, 2216, 2536, 2770, 3170, 3324, 3804, 4155, 4432, 4755, 5072, 5540, 6340, 6648, 7608, 8310, 9510, 11080, 12680, 13296, 15216, 16620, 19020, 22160, 25360, 33240, 38040, 66480, 76080, 87809, 175618, 263427, 351236, 439045, 526854, 702472, 878090, 1053708, 1317135, 1404944, 1756180, 2107416, 2634270, 3512360, 4214832, 5268540, 7024720, 10537080, 21074160]

約数ペア:

[(1, 21074160), (2, 10537080), (3, 7024720), (4, 5268540), (5, 4214832), (6, 3512360), (8, 2634270), (10, 2107416), (12, 1756180), (15, 1404944), (16, 1317135), (20, 1053708), (24, 878090), (30, 702472), (40, 526854), (48, 439045), (60, 351236), (80, 263427), (120, 175618), (240, 87809), (277, 76080), (317, 66480), (554, 38040), (634, 33240), (831, 25360), (951, 22160), (1108, 19020), (1268, 16620), (1385, 15216), (1585, 13296), (1662, 12680), (1902, 11080), (2216, 9510), (2536, 8310), (2770, 7608), (3170, 6648), (3324, 6340), (3804, 5540), (4155, 5072), (4432, 4755)]