21400100

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1424

約数の個数: 36

約数和(自身を含む): 46744404

約数和(自身を除く): 25344304

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 346, 692, 865, 1237, 1730, 2474, 3460, 4325, 4948, 6185, 8650, 12370, 17300, 24740, 30925, 61850, 123700, 214001, 428002, 856004, 1070005, 2140010, 4280020, 5350025, 10700050, 21400100]

約数ペア:

[(1, 21400100), (2, 10700050), (4, 5350025), (5, 4280020), (10, 2140010), (20, 1070005), (25, 856004), (50, 428002), (100, 214001), (173, 123700), (346, 61850), (692, 30925), (865, 24740), (1237, 17300), (1730, 12370), (2474, 8650), (3460, 6185), (4325, 4948)]