21338142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17519}}^1$

素因数の和:17560

約数の個数: 32

約数和(自身を含む): 50457600

約数和(自身を除く): 29119458

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17519, 35038, 52557, 105114, 122633, 245266, 367899, 508051, 735798, 1016102, 1524153, 3048306, 3556357, 7112714, 10669071, 21338142]

約数ペア:

[(1, 21338142), (2, 10669071), (3, 7112714), (6, 3556357), (7, 3048306), (14, 1524153), (21, 1016102), (29, 735798), (42, 508051), (58, 367899), (87, 245266), (174, 122633), (203, 105114), (406, 52557), (609, 35038), (1218, 17519)]