21427070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8273}}^1$

素因数の和:8324

約数の個数: 32

約数和(自身を含む): 45275328

約数和(自身を除く): 23848258

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8273, 16546, 41365, 57911, 82730, 115822, 289555, 306101, 579110, 612202, 1530505, 2142707, 3061010, 4285414, 10713535, 21427070]

約数ペア:

[(1, 21427070), (2, 10713535), (5, 4285414), (7, 3061010), (10, 2142707), (14, 1530505), (35, 612202), (37, 579110), (70, 306101), (74, 289555), (185, 115822), (259, 82730), (370, 57911), (518, 41365), (1295, 16546), (2590, 8273)]