21221250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5659}}^1$

素因数の和:5684

約数の個数: 40

約数和(自身を含む): 53045520

約数和(自身を除く): 31824270

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5659, 11318, 16977, 28295, 33954, 56590, 84885, 141475, 169770, 282950, 424425, 707375, 848850, 1414750, 2122125, 3536875, 4244250, 7073750, 10610625, 21221250]

約数ペア:

[(1, 21221250), (2, 10610625), (3, 7073750), (5, 4244250), (6, 3536875), (10, 2122125), (15, 1414750), (25, 848850), (30, 707375), (50, 424425), (75, 282950), (125, 169770), (150, 141475), (250, 84885), (375, 56590), (625, 33954), (750, 28295), (1250, 16977), (1875, 11318), (3750, 5659)]