21669288

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 57879360

約数和(自身を除く): 36210072

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 173, 204, 307, 346, 408, 519, 614, 692, 921, 1038, 1228, 1384, 1842, 2076, 2456, 2941, 3684, 4152, 5219, 5882, 7368, 8823, 10438, 11764, 15657, 17646, 20876, 23528, 31314, 35292, 41752, 53111, 62628, 70584, 106222, 125256, 159333, 212444, 318666, 424888, 637332, 902887, 1274664, 1805774, 2708661, 3611548, 5417322, 7223096, 10834644, 21669288]

約数ペア:

[(1, 21669288), (2, 10834644), (3, 7223096), (4, 5417322), (6, 3611548), (8, 2708661), (12, 1805774), (17, 1274664), (24, 902887), (34, 637332), (51, 424888), (68, 318666), (102, 212444), (136, 159333), (173, 125256), (204, 106222), (307, 70584), (346, 62628), (408, 53111), (519, 41752), (614, 35292), (692, 31314), (921, 23528), (1038, 20876), (1228, 17646), (1384, 15657), (1842, 11764), (2076, 10438), (2456, 8823), (2941, 7368), (3684, 5882), (4152, 5219)]