21342426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6961}}^1$

素因数の和:7046

約数の個数: 32

約数和(自身を含む): 49458048

約数和(自身を除く): 28115622

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6961, 13922, 20883, 41766, 48727, 97454, 146181, 292362, 508153, 1016306, 1524459, 3048918, 3557071, 7114142, 10671213, 21342426]

約数ペア:

[(1, 21342426), (2, 10671213), (3, 7114142), (6, 3557071), (7, 3048918), (14, 1524459), (21, 1016306), (42, 508153), (73, 292362), (146, 146181), (219, 97454), (438, 48727), (511, 41766), (1022, 20883), (1533, 13922), (3066, 6961)]