21970100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{2647}}^1$

素因数の和:2744

約数の個数: 36

約数和(自身を含む): 48267744

約数和(自身を除く): 26297644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1660, 2075, 2647, 4150, 5294, 8300, 10588, 13235, 26470, 52940, 66175, 132350, 219701, 264700, 439402, 878804, 1098505, 2197010, 4394020, 5492525, 10985050, 21970100]

約数ペア:

[(1, 21970100), (2, 10985050), (4, 5492525), (5, 4394020), (10, 2197010), (20, 1098505), (25, 878804), (50, 439402), (83, 264700), (100, 219701), (166, 132350), (332, 66175), (415, 52940), (830, 26470), (1660, 13235), (2075, 10588), (2647, 8300), (4150, 5294)]