21069180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3547}}^1$

素因数の和:3576

約数の個数: 96

約数和(自身を含む): 71527680

約数和(自身を除く): 50458500

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, 3547, 5940, 7094, 10641, 14188, 17735, 21282, 31923, 35470, 39017, 42564, 53205, 63846, 70940, 78034, 95769, 106410, 117051, 127692, 156068, 159615, 191538, 195085, 212820, 234102, 319230, 351153, 383076, 390170, 468204, 478845, 585255, 638460, 702306, 780340, 957690, 1053459, 1170510, 1404612, 1755765, 1915380, 2106918, 2341020, 3511530, 4213836, 5267295, 7023060, 10534590, 21069180]

約数ペア:

[(1, 21069180), (2, 10534590), (3, 7023060), (4, 5267295), (5, 4213836), (6, 3511530), (9, 2341020), (10, 2106918), (11, 1915380), (12, 1755765), (15, 1404612), (18, 1170510), (20, 1053459), (22, 957690), (27, 780340), (30, 702306), (33, 638460), (36, 585255), (44, 478845), (45, 468204), (54, 390170), (55, 383076), (60, 351153), (66, 319230), (90, 234102), (99, 212820), (108, 195085), (110, 191538), (132, 159615), (135, 156068), (165, 127692), (180, 117051), (198, 106410), (220, 95769), (270, 78034), (297, 70940), (330, 63846), (396, 53205), (495, 42564), (540, 39017), (594, 35470), (660, 31923), (990, 21282), (1188, 17735), (1485, 14188), (1980, 10641), (2970, 7094), (3547, 5940)]