21353500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{6101}}^1$

素因数の和:6127

約数の個数: 48

約数和(自身を含む): 53307072

約数和(自身を除く): 31953572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 6101, 12202, 24404, 30505, 42707, 61010, 85414, 122020, 152525, 170828, 213535, 305050, 427070, 610100, 762625, 854140, 1067675, 1525250, 2135350, 3050500, 4270700, 5338375, 10676750, 21353500]

約数ペア:

[(1, 21353500), (2, 10676750), (4, 5338375), (5, 4270700), (7, 3050500), (10, 2135350), (14, 1525250), (20, 1067675), (25, 854140), (28, 762625), (35, 610100), (50, 427070), (70, 305050), (100, 213535), (125, 170828), (140, 152525), (175, 122020), (250, 85414), (350, 61010), (500, 42707), (700, 30505), (875, 24404), (1750, 12202), (3500, 6101)]