21731378

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{467}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 11627662

約数列:

[1, 2, 53, 106, 439, 467, 878, 934, 23267, 24751, 46534, 49502, 205013, 410026, 10865689, 21731378]

約数ペア:

[(1, 21731378), (2, 10865689), (53, 410026), (106, 205013), (439, 49502), (467, 46534), (878, 24751), (934, 23267)]