21130165030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3643}}^1\times {\mathrm{44617}}^1$

素因数の和:48280

約数の個数: 32

約数和(自身を含む): 40972173984

約数和(自身を除く): 19842008954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3643, 7286, 18215, 36430, 44617, 47359, 89234, 94718, 223085, 236795, 446170, 473590, 580021, 1160042, 2900105, 5800210, 162539731, 325079462, 812698655, 1625397310, 2113016503, 4226033006, 10565082515, 21130165030]

約数ペア:

[(1, 21130165030), (2, 10565082515), (5, 4226033006), (10, 2113016503), (13, 1625397310), (26, 812698655), (65, 325079462), (130, 162539731), (3643, 5800210), (7286, 2900105), (18215, 1160042), (36430, 580021), (44617, 473590), (47359, 446170), (89234, 236795), (94718, 223085)]