21004635

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14453925

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 321, 345, 535, 569, 1605, 1707, 2461, 2845, 7383, 8535, 12305, 13087, 36915, 39261, 60883, 65435, 182649, 196305, 304415, 913245, 1400309, 4200927, 7001545, 21004635]

約数ペア:

[(1, 21004635), (3, 7001545), (5, 4200927), (15, 1400309), (23, 913245), (69, 304415), (107, 196305), (115, 182649), (321, 65435), (345, 60883), (535, 39261), (569, 36915), (1605, 13087), (1707, 12305), (2461, 8535), (2845, 7383)]