21361310881

素因数分解:

${\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 23015681280

約数和(自身を除く): 1654370399

約数列:

[1, 23, 73, 89, 163, 877, 1679, 2047, 3749, 6497, 11899, 14507, 20171, 64021, 78053, 142951, 149431, 273677, 333661, 1059011, 1472483, 1795219, 3287873, 5697869, 10435423, 12722639, 24357253, 131050987, 240014729, 292620697, 928752647, 21361310881]

約数ペア:

[(1, 21361310881), (23, 928752647), (73, 292620697), (89, 240014729), (163, 131050987), (877, 24357253), (1679, 12722639), (2047, 10435423), (3749, 5697869), (6497, 3287873), (11899, 1795219), (14507, 1472483), (20171, 1059011), (64021, 333661), (78053, 273677), (142951, 149431)]