21511648

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35381}}^1$

素因数の和:35410

約数の個数: 24

約数和(自身を含む): 44581320

約数和(自身を除く): 23069672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35381, 70762, 141524, 283048, 566096, 672239, 1132192, 1344478, 2688956, 5377912, 10755824, 21511648]

約数ペア:

[(1, 21511648), (2, 10755824), (4, 5377912), (8, 2688956), (16, 1344478), (19, 1132192), (32, 672239), (38, 566096), (76, 283048), (152, 141524), (304, 70762), (608, 35381)]