21233412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 36860988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 839, 1332, 1406, 1678, 2109, 2517, 2812, 3356, 4218, 5034, 6327, 7551, 8436, 10068, 12654, 15102, 15941, 25308, 30204, 31043, 31882, 47823, 62086, 63764, 93129, 95646, 124172, 143469, 186258, 191292, 279387, 286938, 372516, 558774, 573876, 589817, 1117548, 1179634, 1769451, 2359268, 3538902, 5308353, 7077804, 10616706, 21233412]

約数ペア:

[(1, 21233412), (2, 10616706), (3, 7077804), (4, 5308353), (6, 3538902), (9, 2359268), (12, 1769451), (18, 1179634), (19, 1117548), (36, 589817), (37, 573876), (38, 558774), (57, 372516), (74, 286938), (76, 279387), (111, 191292), (114, 186258), (148, 143469), (171, 124172), (222, 95646), (228, 93129), (333, 63764), (342, 62086), (444, 47823), (666, 31882), (684, 31043), (703, 30204), (839, 25308), (1332, 15941), (1406, 15102), (1678, 12654), (2109, 10068), (2517, 8436), (2812, 7551), (3356, 6327), (4218, 5034)]