21974925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 43727360

約数和(自身を除く): 21752435

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 2203, 3325, 6609, 9975, 11015, 15421, 33045, 41857, 46263, 55075, 77105, 125571, 165225, 209285, 231315, 292999, 385525, 627855, 878997, 1046425, 1156575, 1464995, 3139275, 4394985, 7324975, 21974925]

約数ペア:

[(1, 21974925), (3, 7324975), (5, 4394985), (7, 3139275), (15, 1464995), (19, 1156575), (21, 1046425), (25, 878997), (35, 627855), (57, 385525), (75, 292999), (95, 231315), (105, 209285), (133, 165225), (175, 125571), (285, 77105), (399, 55075), (475, 46263), (525, 41857), (665, 33045), (1425, 15421), (1995, 11015), (2203, 9975), (3325, 6609)]