21302388

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3769}}^1$

素因数の和:3936

約数の個数: 36

約数和(自身を含む): 54205060

約数和(自身を除く): 32902672

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3769, 5652, 7538, 11307, 15076, 22614, 33921, 45228, 67842, 135684, 591733, 1183466, 1775199, 2366932, 3550398, 5325597, 7100796, 10651194, 21302388]

約数ペア:

[(1, 21302388), (2, 10651194), (3, 7100796), (4, 5325597), (6, 3550398), (9, 2366932), (12, 1775199), (18, 1183466), (36, 591733), (157, 135684), (314, 67842), (471, 45228), (628, 33921), (942, 22614), (1413, 15076), (1884, 11307), (2826, 7538), (3769, 5652)]