21546560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9619}}^1$

素因数の和:9643

約数の個数: 56

約数和(自身を含む): 58643520

約数和(自身を除く): 37096960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9619, 19238, 38476, 48095, 67333, 76952, 96190, 134666, 153904, 192380, 269332, 307808, 336665, 384760, 538664, 615616, 673330, 769520, 1077328, 1346660, 1539040, 2154656, 2693320, 3078080, 4309312, 5386640, 10773280, 21546560]

約数ペア:

[(1, 21546560), (2, 10773280), (4, 5386640), (5, 4309312), (7, 3078080), (8, 2693320), (10, 2154656), (14, 1539040), (16, 1346660), (20, 1077328), (28, 769520), (32, 673330), (35, 615616), (40, 538664), (56, 384760), (64, 336665), (70, 307808), (80, 269332), (112, 192380), (140, 153904), (160, 134666), (224, 96190), (280, 76952), (320, 67333), (448, 48095), (560, 38476), (1120, 19238), (2240, 9619)]