21000492002

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{44563}}^1$

素因数の和:45434

約数の個数: 32

約数和(自身を含む): 36924660864

約数和(自身を除く): 15924168862

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 821, 1642, 5747, 11494, 33661, 44563, 67322, 89126, 235627, 311941, 471254, 623882, 1827083, 3654166, 12789581, 25579162, 36586223, 73172446, 256103561, 512207122, 1500035143, 3000070286, 10500246001, 21000492002]

約数ペア:

[(1, 21000492002), (2, 10500246001), (7, 3000070286), (14, 1500035143), (41, 512207122), (82, 256103561), (287, 73172446), (574, 36586223), (821, 25579162), (1642, 12789581), (5747, 3654166), (11494, 1827083), (33661, 623882), (44563, 471254), (67322, 311941), (89126, 235627)]