21417242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 19951078

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 121, 154, 242, 269, 329, 517, 538, 658, 847, 1034, 1694, 1883, 2959, 3619, 3766, 5687, 5918, 7238, 11374, 12643, 20713, 25286, 32549, 39809, 41426, 65098, 79618, 88501, 139073, 177002, 227843, 278146, 455686, 973511, 1529803, 1947022, 3059606, 10708621, 21417242]

約数ペア:

[(1, 21417242), (2, 10708621), (7, 3059606), (11, 1947022), (14, 1529803), (22, 973511), (47, 455686), (77, 278146), (94, 227843), (121, 177002), (154, 139073), (242, 88501), (269, 79618), (329, 65098), (517, 41426), (538, 39809), (658, 32549), (847, 25286), (1034, 20713), (1694, 12643), (1883, 11374), (2959, 7238), (3619, 5918), (3766, 5687)]