21693448

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3761}}^1$

素因数の和:3877

約数の個数: 32

約数和(自身を含む): 46949760

約数和(自身を除く): 25256312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3761, 5768, 7522, 15044, 26327, 30088, 52654, 105308, 210616, 387383, 774766, 1549532, 2711681, 3099064, 5423362, 10846724, 21693448]

約数ペア:

[(1, 21693448), (2, 10846724), (4, 5423362), (7, 3099064), (8, 2711681), (14, 1549532), (28, 774766), (56, 387383), (103, 210616), (206, 105308), (412, 52654), (721, 30088), (824, 26327), (1442, 15044), (2884, 7522), (3761, 5768)]