21158050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10321}}^1$

素因数の和:10374

約数の個数: 24

約数和(自身を含む): 40317732

約数和(自身を除く): 19159682

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10321, 20642, 51605, 103210, 258025, 423161, 516050, 846322, 2115805, 4231610, 10579025, 21158050]

約数ペア:

[(1, 21158050), (2, 10579025), (5, 4231610), (10, 2115805), (25, 846322), (41, 516050), (50, 423161), (82, 258025), (205, 103210), (410, 51605), (1025, 20642), (2050, 10321)]