21179532

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 54198144

約数和(自身を除く): 33018612

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 281, 562, 571, 843, 1124, 1142, 1686, 1713, 2284, 3091, 3372, 3426, 6182, 6281, 6852, 9273, 12364, 12562, 18546, 18843, 25124, 37092, 37686, 75372, 160451, 320902, 481353, 641804, 962706, 1764961, 1925412, 3529922, 5294883, 7059844, 10589766, 21179532]

約数ペア:

[(1, 21179532), (2, 10589766), (3, 7059844), (4, 5294883), (6, 3529922), (11, 1925412), (12, 1764961), (22, 962706), (33, 641804), (44, 481353), (66, 320902), (132, 160451), (281, 75372), (562, 37686), (571, 37092), (843, 25124), (1124, 18843), (1142, 18546), (1686, 12562), (1713, 12364), (2284, 9273), (3091, 6852), (3372, 6281), (3426, 6182)]