21943250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{12539}}^1$

素因数の和:12563

約数の個数: 32

約数和(自身を含む): 46949760

約数和(自身を除く): 25006510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 12539, 25078, 62695, 87773, 125390, 175546, 313475, 438865, 626950, 877730, 1567375, 2194325, 3134750, 4388650, 10971625, 21943250]

約数ペア:

[(1, 21943250), (2, 10971625), (5, 4388650), (7, 3134750), (10, 2194325), (14, 1567375), (25, 877730), (35, 626950), (50, 438865), (70, 313475), (125, 175546), (175, 125390), (250, 87773), (350, 62695), (875, 25078), (1750, 12539)]