21047310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 56635200

約数和(自身を除く): 35587890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 569, 685, 822, 1138, 1233, 1370, 1707, 2055, 2466, 2845, 3414, 3699, 4110, 5121, 5690, 6165, 7398, 8535, 10242, 12330, 15363, 17070, 18495, 25605, 30726, 36990, 51210, 76815, 77953, 153630, 155906, 233859, 389765, 467718, 701577, 779530, 1169295, 1403154, 2104731, 2338590, 3507885, 4209462, 7015770, 10523655, 21047310]

約数ペア:

[(1, 21047310), (2, 10523655), (3, 7015770), (5, 4209462), (6, 3507885), (9, 2338590), (10, 2104731), (15, 1403154), (18, 1169295), (27, 779530), (30, 701577), (45, 467718), (54, 389765), (90, 233859), (135, 155906), (137, 153630), (270, 77953), (274, 76815), (411, 51210), (569, 36990), (685, 30726), (822, 25605), (1138, 18495), (1233, 17070), (1370, 15363), (1707, 12330), (2055, 10242), (2466, 8535), (2845, 7398), (3414, 6165), (3699, 5690), (4110, 5121)]