21294852

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 50964480

約数和(自身を除く): 29669628

約数列:

[1, 2, 3, 4, 6, 12, 89, 127, 157, 178, 254, 267, 314, 356, 381, 471, 508, 534, 628, 762, 942, 1068, 1524, 1884, 11303, 13973, 19939, 22606, 27946, 33909, 39878, 41919, 45212, 55892, 59817, 67818, 79756, 83838, 119634, 135636, 167676, 239268, 1774571, 3549142, 5323713, 7098284, 10647426, 21294852]

約数ペア:

[(1, 21294852), (2, 10647426), (3, 7098284), (4, 5323713), (6, 3549142), (12, 1774571), (89, 239268), (127, 167676), (157, 135636), (178, 119634), (254, 83838), (267, 79756), (314, 67818), (356, 59817), (381, 55892), (471, 45212), (508, 41919), (534, 39878), (628, 33909), (762, 27946), (942, 22606), (1068, 19939), (1524, 13973), (1884, 11303)]