21806532

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1113

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 39520188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 954, 1039, 1166, 1749, 1908, 2078, 2332, 3117, 3498, 4156, 5247, 6234, 6996, 9351, 10494, 11429, 12468, 18702, 20988, 22858, 34287, 37404, 45716, 55067, 68574, 102861, 110134, 137148, 165201, 205722, 220268, 330402, 411444, 495603, 605737, 660804, 991206, 1211474, 1817211, 1982412, 2422948, 3634422, 5451633, 7268844, 10903266, 21806532]

約数ペア:

[(1, 21806532), (2, 10903266), (3, 7268844), (4, 5451633), (6, 3634422), (9, 2422948), (11, 1982412), (12, 1817211), (18, 1211474), (22, 991206), (33, 660804), (36, 605737), (44, 495603), (53, 411444), (66, 330402), (99, 220268), (106, 205722), (132, 165201), (159, 137148), (198, 110134), (212, 102861), (318, 68574), (396, 55067), (477, 45716), (583, 37404), (636, 34287), (954, 22858), (1039, 20988), (1166, 18702), (1749, 12468), (1908, 11429), (2078, 10494), (2332, 9351), (3117, 6996), (3498, 6234), (4156, 5247)]