21035647550

素因数分解:

$2^1\times 5^2\times {\mathrm{420712951}}^1$

素因数の和:420712963

約数の個数: 12

約数和(自身を含む): 39126304536

約数和(自身を除く): 18090656986

約数列:

[1, 2, 5, 10, 25, 50, 420712951, 841425902, 2103564755, 4207129510, 10517823775, 21035647550]

約数ペア:

[(1, 21035647550), (2, 10517823775), (5, 4207129510), (10, 2103564755), (25, 841425902), (50, 420712951)]