21378510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8191}}^1$

素因数の和:8233

約数の個数: 48

約数和(自身を含む): 57507840

約数和(自身を除く): 36129330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8191, 16382, 24573, 40955, 49146, 73719, 81910, 122865, 147438, 237539, 245730, 368595, 475078, 712617, 737190, 1187695, 1425234, 2137851, 2375390, 3563085, 4275702, 7126170, 10689255, 21378510]

約数ペア:

[(1, 21378510), (2, 10689255), (3, 7126170), (5, 4275702), (6, 3563085), (9, 2375390), (10, 2137851), (15, 1425234), (18, 1187695), (29, 737190), (30, 712617), (45, 475078), (58, 368595), (87, 245730), (90, 237539), (145, 147438), (174, 122865), (261, 81910), (290, 73719), (435, 49146), (522, 40955), (870, 24573), (1305, 16382), (2610, 8191)]