21739186

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 39207168

約数和(自身を除く): 17467982

約数列:

[1, 2, 7, 14, 23, 46, 161, 181, 322, 362, 373, 746, 1267, 2534, 2611, 4163, 5222, 8326, 8579, 17158, 29141, 58282, 60053, 67513, 120106, 135026, 472591, 945182, 1552799, 3105598, 10869593, 21739186]

約数ペア:

[(1, 21739186), (2, 10869593), (7, 3105598), (14, 1552799), (23, 945182), (46, 472591), (161, 135026), (181, 120106), (322, 67513), (362, 60053), (373, 58282), (746, 29141), (1267, 17158), (2534, 8579), (2611, 8326), (4163, 5222)]