21854130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728471}}^1$

素因数の和:728481

約数の個数: 16

約数和(自身を含む): 52449984

約数和(自身を除く): 30595854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728471, 1456942, 2185413, 3642355, 4370826, 7284710, 10927065, 21854130]

約数ペア:

[(1, 21854130), (2, 10927065), (3, 7284710), (5, 4370826), (6, 3642355), (10, 2185413), (15, 1456942), (30, 728471)]