21272746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1$

素因数の和:2526

約数の個数: 32

約数和(自身を含む): 38475648

約数和(自身を除く): 17202902

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2473, 4301, 4946, 8602, 27203, 42041, 54406, 56879, 84082, 113758, 462451, 625669, 924902, 966943, 1251338, 1933886, 10636373, 21272746]

約数ペア:

[(1, 21272746), (2, 10636373), (11, 1933886), (17, 1251338), (22, 966943), (23, 924902), (34, 625669), (46, 462451), (187, 113758), (253, 84082), (374, 56879), (391, 54406), (506, 42041), (782, 27203), (2473, 8602), (4301, 4946)]