21313968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34157}}^1$

素因数の和:34181

約数の個数: 40

約数和(自身を含む): 59298288

約数和(自身を除く): 37984320

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34157, 68314, 102471, 136628, 204942, 273256, 409884, 444041, 546512, 819768, 888082, 1332123, 1639536, 1776164, 2664246, 3552328, 5328492, 7104656, 10656984, 21313968]

約数ペア:

[(1, 21313968), (2, 10656984), (3, 7104656), (4, 5328492), (6, 3552328), (8, 2664246), (12, 1776164), (13, 1639536), (16, 1332123), (24, 888082), (26, 819768), (39, 546512), (48, 444041), (52, 409884), (78, 273256), (104, 204942), (156, 136628), (208, 102471), (312, 68314), (624, 34157)]