21288650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{9059}}^1$

素因数の和:9118

約数の個数: 24

約数和(自身を含む): 40443840

約数和(自身を除く): 19155190

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 9059, 18118, 45295, 90590, 226475, 425773, 452950, 851546, 2128865, 4257730, 10644325, 21288650]

約数ペア:

[(1, 21288650), (2, 10644325), (5, 4257730), (10, 2128865), (25, 851546), (47, 452950), (50, 425773), (94, 226475), (235, 90590), (470, 45295), (1175, 18118), (2350, 9059)]