21580130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15091}}^1$

素因数の和:15122

約数の個数: 32

約数和(自身を含む): 45638208

約数和(自身を除く): 24058078

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15091, 30182, 75455, 150910, 166001, 196183, 332002, 392366, 830005, 980915, 1660010, 1961830, 2158013, 4316026, 10790065, 21580130]

約数ペア:

[(1, 21580130), (2, 10790065), (5, 4316026), (10, 2158013), (11, 1961830), (13, 1660010), (22, 980915), (26, 830005), (55, 392366), (65, 332002), (110, 196183), (130, 166001), (143, 150910), (286, 75455), (715, 30182), (1430, 15091)]