21029973118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{356549}}^1$

素因数の和:356952

約数の個数: 32

約数和(自身を含む): 39431577600

約数和(自身を除く): 18401604482

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 383, 766, 2681, 4213, 5362, 8426, 29491, 58982, 356549, 713098, 2495843, 3922039, 4991686, 7844078, 27454273, 54908546, 136558267, 273116534, 955907869, 1502140937, 1911815738, 3004281874, 10514986559, 21029973118]

約数ペア:

[(1, 21029973118), (2, 10514986559), (7, 3004281874), (11, 1911815738), (14, 1502140937), (22, 955907869), (77, 273116534), (154, 136558267), (383, 54908546), (766, 27454273), (2681, 7844078), (4213, 4991686), (5362, 3922039), (8426, 2495843), (29491, 713098), (58982, 356549)]