21454016

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{3319}}^1$

素因数の和:3432

約数の個数: 28

約数和(自身を含む): 43007280

約数和(自身を除く): 21553264

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3232, 3319, 6464, 6638, 13276, 26552, 53104, 106208, 212416, 335219, 670438, 1340876, 2681752, 5363504, 10727008, 21454016]

約数ペア:

[(1, 21454016), (2, 10727008), (4, 5363504), (8, 2681752), (16, 1340876), (32, 670438), (64, 335219), (101, 212416), (202, 106208), (404, 53104), (808, 26552), (1616, 13276), (3232, 6638), (3319, 6464)]