21807008

素因数分解:

$2^5\times {\mathrm{523}}^1\times {\mathrm{1303}}^1$

素因数の和:1836

約数の個数: 24

約数和(自身を含む): 43047648

約数和(自身を除く): 21240640

約数列:

[1, 2, 4, 8, 16, 32, 523, 1046, 1303, 2092, 2606, 4184, 5212, 8368, 10424, 16736, 20848, 41696, 681469, 1362938, 2725876, 5451752, 10903504, 21807008]

約数ペア:

[(1, 21807008), (2, 10903504), (4, 5451752), (8, 2725876), (16, 1362938), (32, 681469), (523, 41696), (1046, 20848), (1303, 16736), (2092, 10424), (2606, 8368), (4184, 5212)]