21057536

素因数分解:

$2^{12}\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 52

約数和(自身を含む): 43346772

約数和(自身を除く): 22289236

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 97, 106, 128, 194, 212, 256, 388, 424, 512, 776, 848, 1024, 1552, 1696, 2048, 3104, 3392, 4096, 5141, 6208, 6784, 10282, 12416, 13568, 20564, 24832, 27136, 41128, 49664, 54272, 82256, 99328, 108544, 164512, 198656, 217088, 329024, 397312, 658048, 1316096, 2632192, 5264384, 10528768, 21057536]

約数ペア:

[(1, 21057536), (2, 10528768), (4, 5264384), (8, 2632192), (16, 1316096), (32, 658048), (53, 397312), (64, 329024), (97, 217088), (106, 198656), (128, 164512), (194, 108544), (212, 99328), (256, 82256), (388, 54272), (424, 49664), (512, 41128), (776, 27136), (848, 24832), (1024, 20564), (1552, 13568), (1696, 12416), (2048, 10282), (3104, 6784), (3392, 6208), (4096, 5141)]