21797352

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2311}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 59510880

約数和(自身を除く): 37713528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2311, 2358, 3144, 4622, 4716, 6933, 9244, 9432, 13866, 18488, 20799, 27732, 41598, 55464, 83196, 166392, 302741, 605482, 908223, 1210964, 1816446, 2421928, 2724669, 3632892, 5449338, 7265784, 10898676, 21797352]

約数ペア:

[(1, 21797352), (2, 10898676), (3, 7265784), (4, 5449338), (6, 3632892), (8, 2724669), (9, 2421928), (12, 1816446), (18, 1210964), (24, 908223), (36, 605482), (72, 302741), (131, 166392), (262, 83196), (393, 55464), (524, 41598), (786, 27732), (1048, 20799), (1179, 18488), (1572, 13866), (2311, 9432), (2358, 9244), (3144, 6933), (4622, 4716)]