21681696

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3265

約数の個数: 48

約数和(自身を含む): 57734208

約数和(自身を除く): 36052512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3181, 3408, 6362, 6816, 9543, 12724, 19086, 25448, 38172, 50896, 76344, 101792, 152688, 225851, 305376, 451702, 677553, 903404, 1355106, 1806808, 2710212, 3613616, 5420424, 7227232, 10840848, 21681696]

約数ペア:

[(1, 21681696), (2, 10840848), (3, 7227232), (4, 5420424), (6, 3613616), (8, 2710212), (12, 1806808), (16, 1355106), (24, 903404), (32, 677553), (48, 451702), (71, 305376), (96, 225851), (142, 152688), (213, 101792), (284, 76344), (426, 50896), (568, 38172), (852, 25448), (1136, 19086), (1704, 12724), (2272, 9543), (3181, 6816), (3408, 6362)]