21918276

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1186

約数の個数: 60

約数和(自身を含む): 58290540

約数和(自身を除く): 36372264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1098, 1109, 1647, 2196, 2218, 3294, 3327, 4436, 4941, 6588, 6654, 9882, 9981, 13308, 19764, 19962, 29943, 39924, 59886, 67649, 89829, 119772, 135298, 179658, 202947, 270596, 359316, 405894, 608841, 811788, 1217682, 1826523, 2435364, 3653046, 5479569, 7306092, 10959138, 21918276]

約数ペア:

[(1, 21918276), (2, 10959138), (3, 7306092), (4, 5479569), (6, 3653046), (9, 2435364), (12, 1826523), (18, 1217682), (27, 811788), (36, 608841), (54, 405894), (61, 359316), (81, 270596), (108, 202947), (122, 179658), (162, 135298), (183, 119772), (244, 89829), (324, 67649), (366, 59886), (549, 39924), (732, 29943), (1098, 19962), (1109, 19764), (1647, 13308), (2196, 9981), (2218, 9882), (3294, 6654), (3327, 6588), (4436, 4941)]