21295792

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1226

約数の個数: 60

約数和(自身を含む): 50126256

約数和(自身を除く): 28830464

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1181, 1288, 2254, 2362, 2576, 4508, 4724, 8267, 9016, 9448, 16534, 18032, 18896, 27163, 33068, 54326, 57869, 66136, 108652, 115738, 132272, 190141, 217304, 231476, 380282, 434608, 462952, 760564, 925904, 1330987, 1521128, 2661974, 3042256, 5323948, 10647896, 21295792]

約数ペア:

[(1, 21295792), (2, 10647896), (4, 5323948), (7, 3042256), (8, 2661974), (14, 1521128), (16, 1330987), (23, 925904), (28, 760564), (46, 462952), (49, 434608), (56, 380282), (92, 231476), (98, 217304), (112, 190141), (161, 132272), (184, 115738), (196, 108652), (322, 66136), (368, 57869), (392, 54326), (644, 33068), (784, 27163), (1127, 18896), (1181, 18032), (1288, 16534), (2254, 9448), (2362, 9016), (2576, 8267), (4508, 4724)]