21368048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6043}}^1$

素因数の和:6081

約数の個数: 40

約数和(自身を含む): 47215728

約数和(自身を除く): 25847680

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 6043, 12086, 24172, 48344, 78559, 96688, 102731, 157118, 205462, 314236, 410924, 628472, 821848, 1256944, 1335503, 1643696, 2671006, 5342012, 10684024, 21368048]

約数ペア:

[(1, 21368048), (2, 10684024), (4, 5342012), (8, 2671006), (13, 1643696), (16, 1335503), (17, 1256944), (26, 821848), (34, 628472), (52, 410924), (68, 314236), (104, 205462), (136, 157118), (208, 102731), (221, 96688), (272, 78559), (442, 48344), (884, 24172), (1768, 12086), (3536, 6043)]