21305372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 21635428

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 59, 116, 118, 236, 283, 319, 566, 638, 649, 1132, 1276, 1298, 1711, 2596, 3113, 3422, 6226, 6844, 8207, 12452, 16414, 16697, 18821, 32828, 33394, 37642, 66788, 75284, 90277, 180554, 183667, 361108, 367334, 484213, 734668, 968426, 1936852, 5326343, 10652686, 21305372]

約数ペア:

[(1, 21305372), (2, 10652686), (4, 5326343), (11, 1936852), (22, 968426), (29, 734668), (44, 484213), (58, 367334), (59, 361108), (116, 183667), (118, 180554), (236, 90277), (283, 75284), (319, 66788), (566, 37642), (638, 33394), (649, 32828), (1132, 18821), (1276, 16697), (1298, 16414), (1711, 12452), (2596, 8207), (3113, 6844), (3422, 6226)]