21194752

素因数分解:

$2^{11}\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 22048448

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 131, 158, 256, 262, 316, 512, 524, 632, 1024, 1048, 1264, 2048, 2096, 2528, 4192, 5056, 8384, 10112, 10349, 16768, 20224, 20698, 33536, 40448, 41396, 67072, 80896, 82792, 134144, 161792, 165584, 268288, 331168, 662336, 1324672, 2649344, 5298688, 10597376, 21194752]

約数ペア:

[(1, 21194752), (2, 10597376), (4, 5298688), (8, 2649344), (16, 1324672), (32, 662336), (64, 331168), (79, 268288), (128, 165584), (131, 161792), (158, 134144), (256, 82792), (262, 80896), (316, 67072), (512, 41396), (524, 40448), (632, 33536), (1024, 20698), (1048, 20224), (1264, 16768), (2048, 10349), (2096, 10112), (2528, 8384), (4192, 5056)]