21103744

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 21491456

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2087, 2528, 4174, 5056, 8348, 10112, 16696, 33392, 66784, 133568, 164873, 267136, 329746, 659492, 1318984, 2637968, 5275936, 10551872, 21103744]

約数ペア:

[(1, 21103744), (2, 10551872), (4, 5275936), (8, 2637968), (16, 1318984), (32, 659492), (64, 329746), (79, 267136), (128, 164873), (158, 133568), (316, 66784), (632, 33392), (1264, 16696), (2087, 10112), (2528, 8348), (4174, 5056)]