21291100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{9257}}^1$

素因数の和:9294

約数の個数: 36

約数和(自身を含む): 48215664

約数和(自身を除く): 26924564

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 9257, 18514, 37028, 46285, 92570, 185140, 212911, 231425, 425822, 462850, 851644, 925700, 1064555, 2129110, 4258220, 5322775, 10645550, 21291100]

約数ペア:

[(1, 21291100), (2, 10645550), (4, 5322775), (5, 4258220), (10, 2129110), (20, 1064555), (23, 925700), (25, 851644), (46, 462850), (50, 425822), (92, 231425), (100, 212911), (115, 185140), (230, 92570), (460, 46285), (575, 37028), (1150, 18514), (2300, 9257)]