21794628

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 52706304

約数和(自身を除く): 30911676

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 191, 222, 257, 382, 444, 514, 573, 764, 771, 1028, 1146, 1542, 2292, 3084, 7067, 9509, 14134, 19018, 21201, 28268, 28527, 38036, 42402, 49087, 57054, 84804, 98174, 114108, 147261, 196348, 294522, 589044, 1816219, 3632438, 5448657, 7264876, 10897314, 21794628]

約数ペア:

[(1, 21794628), (2, 10897314), (3, 7264876), (4, 5448657), (6, 3632438), (12, 1816219), (37, 589044), (74, 294522), (111, 196348), (148, 147261), (191, 114108), (222, 98174), (257, 84804), (382, 57054), (444, 49087), (514, 42402), (573, 38036), (764, 28527), (771, 28268), (1028, 21201), (1146, 19018), (1542, 14134), (2292, 9509), (3084, 7067)]