21865354

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 17357942

約数列:

[1, 2, 7, 14, 31, 62, 83, 166, 217, 434, 581, 607, 1162, 1214, 2573, 4249, 5146, 8498, 18011, 18817, 36022, 37634, 50381, 100762, 131719, 263438, 352667, 705334, 1561811, 3123622, 10932677, 21865354]

約数ペア:

[(1, 21865354), (2, 10932677), (7, 3123622), (14, 1561811), (31, 705334), (62, 352667), (83, 263438), (166, 131719), (217, 100762), (434, 50381), (581, 37634), (607, 36022), (1162, 18817), (1214, 18011), (2573, 8498), (4249, 5146)]