21129088

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7214

約数の個数: 32

約数和(自身を含む): 43929360

約数和(自身を除く): 22800272

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 7177, 14354, 28708, 57416, 114832, 165071, 229664, 330142, 459328, 660284, 918656, 1320568, 2641136, 5282272, 10564544, 21129088]

約数ペア:

[(1, 21129088), (2, 10564544), (4, 5282272), (8, 2641136), (16, 1320568), (23, 918656), (32, 660284), (46, 459328), (64, 330142), (92, 229664), (128, 165071), (184, 114832), (368, 57416), (736, 28708), (1472, 14354), (2944, 7177)]