21327194

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 38102016

約数和(自身を除く): 16774822

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 313, 314, 434, 626, 1099, 2191, 2198, 4382, 4867, 9703, 9734, 19406, 34069, 49141, 67921, 68138, 98282, 135842, 343987, 687974, 1523371, 3046742, 10663597, 21327194]

約数ペア:

[(1, 21327194), (2, 10663597), (7, 3046742), (14, 1523371), (31, 687974), (62, 343987), (157, 135842), (217, 98282), (313, 68138), (314, 67921), (434, 49141), (626, 34069), (1099, 19406), (2191, 9734), (2198, 9703), (4382, 4867)]