21919250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 20088430

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 2039, 2150, 4078, 5375, 10195, 10750, 20390, 50975, 87677, 101950, 175354, 254875, 438385, 509750, 876770, 2191925, 4383850, 10959625, 21919250]

約数ペア:

[(1, 21919250), (2, 10959625), (5, 4383850), (10, 2191925), (25, 876770), (43, 509750), (50, 438385), (86, 254875), (125, 175354), (215, 101950), (250, 87677), (430, 50975), (1075, 20390), (2039, 10750), (2150, 10195), (4078, 5375)]