21549760

素因数分解:

$2^6\times 5^1\times {\mathrm{67343}}^1$

素因数の和:67360

約数の個数: 28

約数和(自身を含む): 51316128

約数和(自身を除く): 29766368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67343, 134686, 269372, 336715, 538744, 673430, 1077488, 1346860, 2154976, 2693720, 4309952, 5387440, 10774880, 21549760]

約数ペア:

[(1, 21549760), (2, 10774880), (4, 5387440), (5, 4309952), (8, 2693720), (10, 2154976), (16, 1346860), (20, 1077488), (32, 673430), (40, 538744), (64, 336715), (80, 269372), (160, 134686), (320, 67343)]