21388556552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6568967}}^1$

素因数の和:6569021

約数の個数: 32

約数和(自身を含む): 44931741120

約数和(自身を除く): 23543184568

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6568967, 13137934, 26275868, 52551736, 72258637, 144517274, 243051779, 289034548, 486103558, 578069096, 972207116, 1944414232, 2673569569, 5347139138, 10694278276, 21388556552]

約数ペア:

[(1, 21388556552), (2, 10694278276), (4, 5347139138), (8, 2673569569), (11, 1944414232), (22, 972207116), (37, 578069096), (44, 486103558), (74, 289034548), (88, 243051779), (148, 144517274), (296, 72258637), (407, 52551736), (814, 26275868), (1628, 13137934), (3256, 6568967)]