21751412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 19616908

約数列:

[1, 2, 4, 37, 47, 53, 59, 74, 94, 106, 118, 148, 188, 212, 236, 1739, 1961, 2183, 2491, 2773, 3127, 3478, 3922, 4366, 4982, 5546, 6254, 6956, 7844, 8732, 9964, 11092, 12508, 92167, 102601, 115699, 146969, 184334, 205202, 231398, 293938, 368668, 410404, 462796, 587876, 5437853, 10875706, 21751412]

約数ペア:

[(1, 21751412), (2, 10875706), (4, 5437853), (37, 587876), (47, 462796), (53, 410404), (59, 368668), (74, 293938), (94, 231398), (106, 205202), (118, 184334), (148, 146969), (188, 115699), (212, 102601), (236, 92167), (1739, 12508), (1961, 11092), (2183, 9964), (2491, 8732), (2773, 7844), (3127, 6956), (3478, 6254), (3922, 5546), (4366, 4982)]