21260676

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 53161920

約数和(自身を除く): 31901244

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1171, 1513, 2342, 3026, 3513, 4539, 4684, 6052, 7026, 9078, 14052, 18156, 19907, 39814, 59721, 79628, 104219, 119442, 208438, 238884, 312657, 416876, 625314, 1250628, 1771723, 3543446, 5315169, 7086892, 10630338, 21260676]

約数ペア:

[(1, 21260676), (2, 10630338), (3, 7086892), (4, 5315169), (6, 3543446), (12, 1771723), (17, 1250628), (34, 625314), (51, 416876), (68, 312657), (89, 238884), (102, 208438), (178, 119442), (204, 104219), (267, 79628), (356, 59721), (534, 39814), (1068, 19907), (1171, 18156), (1513, 14052), (2342, 9078), (3026, 7026), (3513, 6052), (4539, 4684)]