21610893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2699}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 30715200

約数和(自身を除く): 9104307

約数列:

[1, 3, 17, 51, 157, 471, 2669, 2699, 8007, 8097, 45883, 137649, 423743, 1271229, 7203631, 21610893]

約数ペア:

[(1, 21610893), (3, 7203631), (17, 1271229), (51, 423743), (157, 137649), (471, 45883), (2669, 8097), (2699, 8007)]