21903670478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{537197}}^1$

素因数の和:537284

約数の個数: 32

約数和(自身を含む): 36744343200

約数和(自身を除く): 14840672722

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 551, 703, 1073, 1102, 1406, 2146, 20387, 40774, 537197, 1074394, 10206743, 15578713, 19876289, 20413486, 31157426, 39752578, 295995547, 377649491, 576412381, 591991094, 755298982, 1152824762, 10951835239, 21903670478]

約数ペア:

[(1, 21903670478), (2, 10951835239), (19, 1152824762), (29, 755298982), (37, 591991094), (38, 576412381), (58, 377649491), (74, 295995547), (551, 39752578), (703, 31157426), (1073, 20413486), (1102, 19876289), (1406, 15578713), (2146, 10206743), (20387, 1074394), (40774, 537197)]