21878352

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1260

約数の個数: 60

約数和(自身を含む): 61731540

約数和(自身を除く): 39853188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1096, 1109, 1233, 1644, 2192, 2218, 2466, 3288, 3327, 4436, 4932, 6576, 6654, 8872, 9864, 9981, 13308, 17744, 19728, 19962, 26616, 39924, 53232, 79848, 151933, 159696, 303866, 455799, 607732, 911598, 1215464, 1367397, 1823196, 2430928, 2734794, 3646392, 5469588, 7292784, 10939176, 21878352]

約数ペア:

[(1, 21878352), (2, 10939176), (3, 7292784), (4, 5469588), (6, 3646392), (8, 2734794), (9, 2430928), (12, 1823196), (16, 1367397), (18, 1215464), (24, 911598), (36, 607732), (48, 455799), (72, 303866), (137, 159696), (144, 151933), (274, 79848), (411, 53232), (548, 39924), (822, 26616), (1096, 19962), (1109, 19728), (1233, 17744), (1644, 13308), (2192, 9981), (2218, 9864), (2466, 8872), (3288, 6654), (3327, 6576), (4436, 4932)]