21599795

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 30759936

約数和(自身を除く): 9160141

約数列:

[1, 5, 7, 35, 61, 67, 151, 305, 335, 427, 469, 755, 1057, 2135, 2345, 4087, 5285, 9211, 10117, 20435, 28609, 46055, 50585, 64477, 70819, 143045, 322385, 354095, 617137, 3085685, 4319959, 21599795]

約数ペア:

[(1, 21599795), (5, 4319959), (7, 3085685), (35, 617137), (61, 354095), (67, 322385), (151, 143045), (305, 70819), (335, 64477), (427, 50585), (469, 46055), (755, 28609), (1057, 20435), (2135, 10117), (2345, 9211), (4087, 5285)]