21339180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 96

約数和(自身を含む): 68006400

約数和(自身を除く): 46667220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 919, 1161, 1290, 1548, 1838, 1935, 2322, 2580, 2757, 3676, 3870, 4595, 4644, 5514, 5805, 7740, 8271, 9190, 11028, 11610, 13785, 16542, 18380, 23220, 24813, 27570, 33084, 39517, 41355, 49626, 55140, 79034, 82710, 99252, 118551, 124065, 158068, 165420, 197585, 237102, 248130, 355653, 395170, 474204, 496260, 592755, 711306, 790340, 1066959, 1185510, 1422612, 1778265, 2133918, 2371020, 3556530, 4267836, 5334795, 7113060, 10669590, 21339180]

約数ペア:

[(1, 21339180), (2, 10669590), (3, 7113060), (4, 5334795), (5, 4267836), (6, 3556530), (9, 2371020), (10, 2133918), (12, 1778265), (15, 1422612), (18, 1185510), (20, 1066959), (27, 790340), (30, 711306), (36, 592755), (43, 496260), (45, 474204), (54, 395170), (60, 355653), (86, 248130), (90, 237102), (108, 197585), (129, 165420), (135, 158068), (172, 124065), (180, 118551), (215, 99252), (258, 82710), (270, 79034), (387, 55140), (430, 49626), (516, 41355), (540, 39517), (645, 33084), (774, 27570), (860, 24813), (919, 23220), (1161, 18380), (1290, 16542), (1548, 13785), (1838, 11610), (1935, 11028), (2322, 9190), (2580, 8271), (2757, 7740), (3676, 5805), (3870, 5514), (4595, 4644)]