21207252

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{463}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 54254592

約数和(自身を除く): 33047340

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 347, 463, 694, 926, 1041, 1388, 1389, 1852, 2082, 2778, 3817, 4164, 5093, 5556, 7634, 10186, 11451, 15268, 15279, 20372, 22902, 30558, 45804, 61116, 160661, 321322, 481983, 642644, 963966, 1767271, 1927932, 3534542, 5301813, 7069084, 10603626, 21207252]

約数ペア:

[(1, 21207252), (2, 10603626), (3, 7069084), (4, 5301813), (6, 3534542), (11, 1927932), (12, 1767271), (22, 963966), (33, 642644), (44, 481983), (66, 321322), (132, 160661), (347, 61116), (463, 45804), (694, 30558), (926, 22902), (1041, 20372), (1388, 15279), (1389, 15268), (1852, 11451), (2082, 10186), (2778, 7634), (3817, 5556), (4164, 5093)]