21961520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39217}}^1$

素因数の和:39237

約数の個数: 40

約数和(自身を含む): 58356384

約数和(自身を除く): 36394864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39217, 78434, 156868, 196085, 274519, 313736, 392170, 549038, 627472, 784340, 1098076, 1372595, 1568680, 2196152, 2745190, 3137360, 4392304, 5490380, 10980760, 21961520]

約数ペア:

[(1, 21961520), (2, 10980760), (4, 5490380), (5, 4392304), (7, 3137360), (8, 2745190), (10, 2196152), (14, 1568680), (16, 1372595), (20, 1098076), (28, 784340), (35, 627472), (40, 549038), (56, 392170), (70, 313736), (80, 274519), (112, 196085), (140, 156868), (280, 78434), (560, 39217)]