21970688

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4517}}^1$

素因数の和:4552

約数の個数: 36

約数和(自身を含む): 46173960

約数和(自身を除く): 24203272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4517, 4864, 9034, 18068, 36136, 72272, 85823, 144544, 171646, 289088, 343292, 578176, 686584, 1156352, 1373168, 2746336, 5492672, 10985344, 21970688]

約数ペア:

[(1, 21970688), (2, 10985344), (4, 5492672), (8, 2746336), (16, 1373168), (19, 1156352), (32, 686584), (38, 578176), (64, 343292), (76, 289088), (128, 171646), (152, 144544), (256, 85823), (304, 72272), (608, 36136), (1216, 18068), (2432, 9034), (4517, 4864)]