21093515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 29056320

約数和(自身を除く): 7962805

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 353, 629, 703, 1615, 1765, 3145, 3515, 6001, 6707, 11951, 13061, 30005, 33535, 59755, 65305, 114019, 222037, 248159, 570095, 1110185, 1240795, 4218703, 21093515]

約数ペア:

[(1, 21093515), (5, 4218703), (17, 1240795), (19, 1110185), (37, 570095), (85, 248159), (95, 222037), (185, 114019), (323, 65305), (353, 59755), (629, 33535), (703, 30005), (1615, 13061), (1765, 11951), (3145, 6707), (3515, 6001)]