21916876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 43206912

約数和(自身を除く): 21290036

約数列:

[1, 2, 4, 17, 31, 34, 37, 62, 68, 74, 124, 148, 281, 527, 562, 629, 1054, 1124, 1147, 1258, 2108, 2294, 2516, 4588, 4777, 8711, 9554, 10397, 17422, 19108, 19499, 20794, 34844, 38998, 41588, 77996, 148087, 176749, 296174, 322307, 353498, 592348, 644614, 706996, 1289228, 5479219, 10958438, 21916876]

約数ペア:

[(1, 21916876), (2, 10958438), (4, 5479219), (17, 1289228), (31, 706996), (34, 644614), (37, 592348), (62, 353498), (68, 322307), (74, 296174), (124, 176749), (148, 148087), (281, 77996), (527, 41588), (562, 38998), (629, 34844), (1054, 20794), (1124, 19499), (1147, 19108), (1258, 17422), (2108, 10397), (2294, 9554), (2516, 8711), (4588, 4777)]