21033540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3541}}^1$

素因数の和:3570

約数の個数: 96

約数和(自身を含む): 71406720

約数和(自身を除く): 50373180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3541, 5940, 7082, 10623, 14164, 17705, 21246, 31869, 35410, 38951, 42492, 53115, 63738, 70820, 77902, 95607, 106230, 116853, 127476, 155804, 159345, 191214, 194755, 212460, 233706, 318690, 350559, 382428, 389510, 467412, 478035, 584265, 637380, 701118, 779020, 956070, 1051677, 1168530, 1402236, 1752795, 1912140, 2103354, 2337060, 3505590, 4206708, 5258385, 7011180, 10516770, 21033540]

約数ペア:

[(1, 21033540), (2, 10516770), (3, 7011180), (4, 5258385), (5, 4206708), (6, 3505590), (9, 2337060), (10, 2103354), (11, 1912140), (12, 1752795), (15, 1402236), (18, 1168530), (20, 1051677), (22, 956070), (27, 779020), (30, 701118), (33, 637380), (36, 584265), (44, 478035), (45, 467412), (54, 389510), (55, 382428), (60, 350559), (66, 318690), (90, 233706), (99, 212460), (108, 194755), (110, 191214), (132, 159345), (135, 155804), (165, 127476), (180, 116853), (198, 106230), (220, 95607), (270, 77902), (297, 70820), (330, 63738), (396, 53115), (495, 42492), (540, 38951), (594, 35410), (660, 31869), (990, 21246), (1188, 17705), (1485, 14164), (1980, 10623), (2970, 7082), (3541, 5940)]