21872940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3407}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 61834752

約数和(自身を除く): 39961812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3407, 6420, 6814, 10221, 13628, 17035, 20442, 34070, 40884, 51105, 68140, 102210, 204420, 364549, 729098, 1093647, 1458196, 1822745, 2187294, 3645490, 4374588, 5468235, 7290980, 10936470, 21872940]

約数ペア:

[(1, 21872940), (2, 10936470), (3, 7290980), (4, 5468235), (5, 4374588), (6, 3645490), (10, 2187294), (12, 1822745), (15, 1458196), (20, 1093647), (30, 729098), (60, 364549), (107, 204420), (214, 102210), (321, 68140), (428, 51105), (535, 40884), (642, 34070), (1070, 20442), (1284, 17035), (1605, 13628), (2140, 10221), (3210, 6814), (3407, 6420)]