21247404240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2058857}}^1$

素因数の和:2058916

約数の個数: 80

約数和(自身を含む): 67398775488

約数和(自身を除く): 46151371248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 2058857, 4117714, 6176571, 8235428, 10294285, 12353142, 16470856, 20588570, 24706284, 30882855, 32941712, 41177140, 49412568, 61765710, 82354280, 88530851, 98825136, 123531420, 164708560, 177061702, 247062840, 265592553, 354123404, 442654255, 494125680, 531185106, 708246808, 885308510, 1062370212, 1327962765, 1416493616, 1770617020, 2124740424, 2655925530, 3541234040, 4249480848, 5311851060, 7082468080, 10623702120, 21247404240]

約数ペア:

[(1, 21247404240), (2, 10623702120), (3, 7082468080), (4, 5311851060), (5, 4249480848), (6, 3541234040), (8, 2655925530), (10, 2124740424), (12, 1770617020), (15, 1416493616), (16, 1327962765), (20, 1062370212), (24, 885308510), (30, 708246808), (40, 531185106), (43, 494125680), (48, 442654255), (60, 354123404), (80, 265592553), (86, 247062840), (120, 177061702), (129, 164708560), (172, 123531420), (215, 98825136), (240, 88530851), (258, 82354280), (344, 61765710), (430, 49412568), (516, 41177140), (645, 32941712), (688, 30882855), (860, 24706284), (1032, 20588570), (1290, 16470856), (1720, 12353142), (2064, 10294285), (2580, 8235428), (3440, 6176571), (5160, 4117714), (10320, 2058857)]