21444236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 22222324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 113, 209, 226, 227, 418, 452, 454, 836, 908, 1243, 2147, 2486, 2497, 4294, 4313, 4972, 4994, 8588, 8626, 9988, 17252, 23617, 25651, 47234, 47443, 51302, 94468, 94886, 102604, 189772, 282161, 487369, 564322, 974738, 1128644, 1949476, 5361059, 10722118, 21444236]

約数ペア:

[(1, 21444236), (2, 10722118), (4, 5361059), (11, 1949476), (19, 1128644), (22, 974738), (38, 564322), (44, 487369), (76, 282161), (113, 189772), (209, 102604), (226, 94886), (227, 94468), (418, 51302), (452, 47443), (454, 47234), (836, 25651), (908, 23617), (1243, 17252), (2147, 9988), (2486, 8626), (2497, 8588), (4294, 4994), (4313, 4972)]