21770266

素因数分解:

$2^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1823}}^1$

素因数の和:2685

約数の個数: 16

約数和(自身を含む): 37384704

約数和(自身を除く): 15614438

約数列:

[1, 2, 7, 14, 853, 1706, 1823, 3646, 5971, 11942, 12761, 25522, 1555019, 3110038, 10885133, 21770266]

約数ペア:

[(1, 21770266), (2, 10885133), (7, 3110038), (14, 1555019), (853, 25522), (1706, 12761), (1823, 11942), (3646, 5971)]