21979368

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17957}}^1$

素因数の和:17986

約数の個数: 48

約数和(自身を含む): 63032580

約数和(自身を除く): 41053212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17957, 35914, 53871, 71828, 107742, 143656, 161613, 215484, 305269, 323226, 430968, 610538, 646452, 915807, 1221076, 1292904, 1831614, 2442152, 2747421, 3663228, 5494842, 7326456, 10989684, 21979368]

約数ペア:

[(1, 21979368), (2, 10989684), (3, 7326456), (4, 5494842), (6, 3663228), (8, 2747421), (9, 2442152), (12, 1831614), (17, 1292904), (18, 1221076), (24, 915807), (34, 646452), (36, 610538), (51, 430968), (68, 323226), (72, 305269), (102, 215484), (136, 161613), (153, 143656), (204, 107742), (306, 71828), (408, 53871), (612, 35914), (1224, 17957)]