21166670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13147}}^1$

素因数の和:13184

約数の個数: 32

約数和(自身を含む): 45439488

約数和(自身を除く): 24272818

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13147, 26294, 65735, 92029, 131470, 184058, 302381, 460145, 604762, 920290, 1511905, 2116667, 3023810, 4233334, 10583335, 21166670]

約数ペア:

[(1, 21166670), (2, 10583335), (5, 4233334), (7, 3023810), (10, 2116667), (14, 1511905), (23, 920290), (35, 604762), (46, 460145), (70, 302381), (115, 184058), (161, 131470), (230, 92029), (322, 65735), (805, 26294), (1610, 13147)]