21000608643

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1\times {\mathrm{31079}}^1$

素因数の和:32511

約数の個数: 32

約数和(自身を含む): 33417216000

約数和(自身を除く): 12416607357

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1399, 4197, 9793, 29379, 31079, 32177, 93237, 96531, 217553, 225239, 652659, 675717, 714817, 2144451, 5003719, 15011157, 43479521, 130438563, 304356647, 913069941, 1000028983, 3000086949, 7000202881, 21000608643]

約数ペア:

[(1, 21000608643), (3, 7000202881), (7, 3000086949), (21, 1000028983), (23, 913069941), (69, 304356647), (161, 130438563), (483, 43479521), (1399, 15011157), (4197, 5003719), (9793, 2144451), (29379, 714817), (31079, 675717), (32177, 652659), (93237, 225239), (96531, 217553)]