21000481502

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10489751}}^1$

素因数の和:10489784

約数の個数: 32

約数和(自身を含む): 42294680064

約数和(自身を除く): 21294198562

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10489751, 20979502, 73428257, 115387261, 136366763, 146856514, 230774522, 272733526, 807710827, 954567341, 1500034393, 1615421654, 1909134682, 3000068786, 10500240751, 21000481502]

約数ペア:

[(1, 21000481502), (2, 10500240751), (7, 3000068786), (11, 1909134682), (13, 1615421654), (14, 1500034393), (22, 954567341), (26, 807710827), (77, 272733526), (91, 230774522), (143, 146856514), (154, 136366763), (182, 115387261), (286, 73428257), (1001, 20979502), (2002, 10489751)]