21886875

素因数分解:

$3^3\times 5^4\times {\mathrm{1297}}^1$

素因数の和:1326

約数の個数: 40

約数和(自身を含む): 40549520

約数和(自身を除く): 18662645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1297, 1875, 3375, 3891, 5625, 6485, 11673, 16875, 19455, 32425, 35019, 58365, 97275, 162125, 175095, 291825, 486375, 810625, 875475, 1459125, 2431875, 4377375, 7295625, 21886875]

約数ペア:

[(1, 21886875), (3, 7295625), (5, 4377375), (9, 2431875), (15, 1459125), (25, 875475), (27, 810625), (45, 486375), (75, 291825), (125, 175095), (135, 162125), (225, 97275), (375, 58365), (625, 35019), (675, 32425), (1125, 19455), (1297, 16875), (1875, 11673), (3375, 6485), (3891, 5625)]