2100051460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{621317}}^1$

素因数の和:621352

約数の個数: 36

約数和(自身を含む): 4775450148

約数和(自身を除く): 2675398688

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 621317, 1242634, 2485268, 3106585, 6213170, 8077121, 12426340, 16154242, 32308484, 40385605, 80771210, 105002573, 161542420, 210005146, 420010292, 525012865, 1050025730, 2100051460]

約数ペア:

[(1, 2100051460), (2, 1050025730), (4, 525012865), (5, 420010292), (10, 210005146), (13, 161542420), (20, 105002573), (26, 80771210), (52, 40385605), (65, 32308484), (130, 16154242), (169, 12426340), (260, 8077121), (338, 6213170), (676, 3106585), (845, 2485268), (1690, 1242634), (3380, 621317)]