21745230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4289}}^1$

素因数の和:4325

約数の個数: 48

約数和(自身を含む): 56525040

約数和(自身を除く): 34779810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 4289, 5070, 8578, 12867, 21445, 25734, 42890, 55757, 64335, 111514, 128670, 167271, 278785, 334542, 557570, 724841, 836355, 1449682, 1672710, 2174523, 3624205, 4349046, 7248410, 10872615, 21745230]

約数ペア:

[(1, 21745230), (2, 10872615), (3, 7248410), (5, 4349046), (6, 3624205), (10, 2174523), (13, 1672710), (15, 1449682), (26, 836355), (30, 724841), (39, 557570), (65, 334542), (78, 278785), (130, 167271), (169, 128670), (195, 111514), (338, 64335), (390, 55757), (507, 42890), (845, 25734), (1014, 21445), (1690, 12867), (2535, 8578), (4289, 5070)]