2181396035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{21499}}^1$

素因数の和:21747

約数の個数: 32

約数和(自身を含む): 3236352000

約数和(自身を除く): 1054955965

約数列:

[1, 5, 7, 13, 35, 65, 91, 223, 455, 1115, 1561, 2899, 7805, 14495, 20293, 21499, 101465, 107495, 150493, 279487, 752465, 1397435, 1956409, 4794277, 9782045, 23971385, 33559939, 62325601, 167799695, 311628005, 436279207, 2181396035]

約数ペア:

[(1, 2181396035), (5, 436279207), (7, 311628005), (13, 167799695), (35, 62325601), (65, 33559939), (91, 23971385), (223, 9782045), (455, 4794277), (1115, 1956409), (1561, 1397435), (2899, 752465), (7805, 279487), (14495, 150493), (20293, 107495), (21499, 101465)]