21144112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6323}}^1$

素因数の和:6361

約数の個数: 40

約数和(自身を含む): 47050560

約数和(自身を除く): 25906448

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6323, 12646, 25292, 50584, 69553, 101168, 120137, 139106, 240274, 278212, 480548, 556424, 961096, 1112848, 1321507, 1922192, 2643014, 5286028, 10572056, 21144112]

約数ペア:

[(1, 21144112), (2, 10572056), (4, 5286028), (8, 2643014), (11, 1922192), (16, 1321507), (19, 1112848), (22, 961096), (38, 556424), (44, 480548), (76, 278212), (88, 240274), (152, 139106), (176, 120137), (209, 101168), (304, 69553), (418, 50584), (836, 25292), (1672, 12646), (3344, 6323)]