21571263

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14887}}^1$

素因数の和:14923

約数の個数: 24

約数和(自身を含む): 37160448

約数和(自身を除く): 15589185

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14887, 44661, 104209, 133983, 312627, 342401, 937881, 1027203, 2396807, 3081609, 7190421, 21571263]

約数ペア:

[(1, 21571263), (3, 7190421), (7, 3081609), (9, 2396807), (21, 1027203), (23, 937881), (63, 342401), (69, 312627), (161, 133983), (207, 104209), (483, 44661), (1449, 14887)]