21371936

素因数分解:

$2^5\times {\mathrm{151}}^1\times {\mathrm{4423}}^1$

素因数の和:4584

約数の個数: 24

約数和(自身を含む): 42364224

約数和(自身を除く): 20992288

約数列:

[1, 2, 4, 8, 16, 32, 151, 302, 604, 1208, 2416, 4423, 4832, 8846, 17692, 35384, 70768, 141536, 667873, 1335746, 2671492, 5342984, 10685968, 21371936]

約数ペア:

[(1, 21371936), (2, 10685968), (4, 5342984), (8, 2671492), (16, 1335746), (32, 667873), (151, 141536), (302, 70768), (604, 35384), (1208, 17692), (2416, 8846), (4423, 4832)]