21622793080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77224261}}^1$

素因数の和:77224279

約数の個数: 32

約数和(自身を含む): 55601468640

約数和(自身を除く): 33978675560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77224261, 154448522, 308897044, 386121305, 540569827, 617794088, 772242610, 1081139654, 1544485220, 2162279308, 2702849135, 3088970440, 4324558616, 5405698270, 10811396540, 21622793080]

約数ペア:

[(1, 21622793080), (2, 10811396540), (4, 5405698270), (5, 4324558616), (7, 3088970440), (8, 2702849135), (10, 2162279308), (14, 1544485220), (20, 1081139654), (28, 772242610), (35, 617794088), (40, 540569827), (56, 386121305), (70, 308897044), (140, 154448522), (280, 77224261)]