21505944

素因数分解:

$2^3\times 3^1\times {\mathrm{577}}^1\times {\mathrm{1553}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 53892720

約数和(自身を除く): 32386776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 577, 1154, 1553, 1731, 2308, 3106, 3462, 4616, 4659, 6212, 6924, 9318, 12424, 13848, 18636, 37272, 896081, 1792162, 2688243, 3584324, 5376486, 7168648, 10752972, 21505944]

約数ペア:

[(1, 21505944), (2, 10752972), (3, 7168648), (4, 5376486), (6, 3584324), (8, 2688243), (12, 1792162), (24, 896081), (577, 37272), (1154, 18636), (1553, 13848), (1731, 12424), (2308, 9318), (3106, 6924), (3462, 6212), (4616, 4659)]