21584460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 60834816

約数和(自身を除く): 39250356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2207, 2445, 3260, 4414, 4890, 6621, 8828, 9780, 11035, 13242, 22070, 26484, 33105, 44140, 66210, 132420, 359741, 719482, 1079223, 1438964, 1798705, 2158446, 3597410, 4316892, 5396115, 7194820, 10792230, 21584460]

約数ペア:

[(1, 21584460), (2, 10792230), (3, 7194820), (4, 5396115), (5, 4316892), (6, 3597410), (10, 2158446), (12, 1798705), (15, 1438964), (20, 1079223), (30, 719482), (60, 359741), (163, 132420), (326, 66210), (489, 44140), (652, 33105), (815, 26484), (978, 22070), (1630, 13242), (1956, 11035), (2207, 9780), (2445, 8828), (3260, 6621), (4414, 4890)]