21585830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{769}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 44573760

約数和(自身を除く): 22987930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 769, 802, 1538, 2005, 2807, 3845, 4010, 5383, 5614, 7690, 10766, 14035, 26915, 28070, 53830, 308369, 616738, 1541845, 2158583, 3083690, 4317166, 10792915, 21585830]

約数ペア:

[(1, 21585830), (2, 10792915), (5, 4317166), (7, 3083690), (10, 2158583), (14, 1541845), (35, 616738), (70, 308369), (401, 53830), (769, 28070), (802, 26915), (1538, 14035), (2005, 10766), (2807, 7690), (3845, 5614), (4010, 5383)]