21253035

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61603}}^1$

素因数の和:61634

約数の個数: 16

約数和(自身を含む): 35483904

約数和(自身を除く): 14230869

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61603, 184809, 308015, 924045, 1416869, 4250607, 7084345, 21253035]

約数ペア:

[(1, 21253035), (3, 7084345), (5, 4250607), (15, 1416869), (23, 924045), (69, 308015), (115, 184809), (345, 61603)]