21593538

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 49807680

約数和(自身を除く): 28214142

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 613, 618, 927, 1226, 1839, 1854, 1957, 3678, 3914, 5517, 5871, 11034, 11647, 11742, 17613, 23294, 34941, 35226, 63139, 69882, 104823, 126278, 189417, 209646, 378834, 568251, 1136502, 1199641, 2399282, 3598923, 7197846, 10796769, 21593538]

約数ペア:

[(1, 21593538), (2, 10796769), (3, 7197846), (6, 3598923), (9, 2399282), (18, 1199641), (19, 1136502), (38, 568251), (57, 378834), (103, 209646), (114, 189417), (171, 126278), (206, 104823), (309, 69882), (342, 63139), (613, 35226), (618, 34941), (927, 23294), (1226, 17613), (1839, 11742), (1854, 11647), (1957, 11034), (3678, 5871), (3914, 5517)]