21604356

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1051}}^1$

素因数の和:1632

約数の個数: 36

約数和(自身を含む): 54758704

約数和(自身を除く): 33154348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1051, 1142, 1713, 2102, 2284, 3153, 3426, 4204, 5139, 6306, 6852, 9459, 10278, 12612, 18918, 20556, 37836, 600121, 1200242, 1800363, 2400484, 3600726, 5401089, 7201452, 10802178, 21604356]

約数ペア:

[(1, 21604356), (2, 10802178), (3, 7201452), (4, 5401089), (6, 3600726), (9, 2400484), (12, 1800363), (18, 1200242), (36, 600121), (571, 37836), (1051, 20556), (1142, 18918), (1713, 12612), (2102, 10278), (2284, 9459), (3153, 6852), (3426, 6306), (4204, 5139)]