21193522

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 38338560

約数和(自身を除く): 17145038

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 1039, 1457, 2078, 2914, 7273, 10199, 14546, 20398, 32209, 48833, 64418, 97666, 225463, 341831, 450926, 683662, 1513823, 3027646, 10596761, 21193522]

約数ペア:

[(1, 21193522), (2, 10596761), (7, 3027646), (14, 1513823), (31, 683662), (47, 450926), (62, 341831), (94, 225463), (217, 97666), (329, 64418), (434, 48833), (658, 32209), (1039, 20398), (1457, 14546), (2078, 10199), (2914, 7273)]