21017670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1801}}^1$

素因数の和:2200

約数の個数: 32

約数和(自身を含む): 50600160

約数和(自身を除く): 29582490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1801, 1945, 2334, 3602, 3890, 5403, 5835, 9005, 10806, 11670, 18010, 27015, 54030, 700589, 1401178, 2101767, 3502945, 4203534, 7005890, 10508835, 21017670]

約数ペア:

[(1, 21017670), (2, 10508835), (3, 7005890), (5, 4203534), (6, 3502945), (10, 2101767), (15, 1401178), (30, 700589), (389, 54030), (778, 27015), (1167, 18010), (1801, 11670), (1945, 10806), (2334, 9005), (3602, 5835), (3890, 5403)]