21683354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 19290982

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1367, 1442, 2266, 2734, 7931, 9569, 15037, 15862, 19138, 30074, 105259, 140801, 210518, 281602, 985607, 1548811, 1971214, 3097622, 10841677, 21683354]

約数ペア:

[(1, 21683354), (2, 10841677), (7, 3097622), (11, 1971214), (14, 1548811), (22, 985607), (77, 281602), (103, 210518), (154, 140801), (206, 105259), (721, 30074), (1133, 19138), (1367, 15862), (1442, 15037), (2266, 9569), (2734, 7931)]