21988875

素因数分解:

$3^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 14911989

約数列:

[1, 3, 5, 15, 25, 75, 125, 191, 307, 375, 573, 921, 955, 1535, 2865, 4605, 4775, 7675, 14325, 23025, 23875, 38375, 58637, 71625, 115125, 175911, 293185, 879555, 1465925, 4397775, 7329625, 21988875]

約数ペア:

[(1, 21988875), (3, 7329625), (5, 4397775), (15, 1465925), (25, 879555), (75, 293185), (125, 175911), (191, 115125), (307, 71625), (375, 58637), (573, 38375), (921, 23875), (955, 23025), (1535, 14325), (2865, 7675), (4605, 4775)]