21508350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 53663232

約数和(自身を除く): 32154882

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 223, 446, 643, 669, 1115, 1286, 1338, 1929, 2230, 3215, 3345, 3858, 5575, 6430, 6690, 9645, 11150, 16075, 16725, 19290, 32150, 33450, 48225, 96450, 143389, 286778, 430167, 716945, 860334, 1433890, 2150835, 3584725, 4301670, 7169450, 10754175, 21508350]

約数ペア:

[(1, 21508350), (2, 10754175), (3, 7169450), (5, 4301670), (6, 3584725), (10, 2150835), (15, 1433890), (25, 860334), (30, 716945), (50, 430167), (75, 286778), (150, 143389), (223, 96450), (446, 48225), (643, 33450), (669, 32150), (1115, 19290), (1286, 16725), (1338, 16075), (1929, 11150), (2230, 9645), (3215, 6690), (3345, 6430), (3858, 5575)]