21749624

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{16087}}^1$

素因数の和:16119

約数の個数: 24

約数和(自身を含む): 44161560

約数和(自身を除く): 22411936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 16087, 32174, 64348, 128696, 209131, 418262, 836524, 1673048, 2718703, 5437406, 10874812, 21749624]

約数ペア:

[(1, 21749624), (2, 10874812), (4, 5437406), (8, 2718703), (13, 1673048), (26, 836524), (52, 418262), (104, 209131), (169, 128696), (338, 64348), (676, 32174), (1352, 16087)]