21746925

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5087}}^1$

素因数の和:5122

約数の個数: 36

約数和(自身を含む): 41009280

約数和(自身を除く): 19262355

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 5087, 15261, 25435, 45783, 76305, 96653, 127175, 228915, 289959, 381525, 483265, 869877, 1144575, 1449795, 2416325, 4349385, 7248975, 21746925]

約数ペア:

[(1, 21746925), (3, 7248975), (5, 4349385), (9, 2416325), (15, 1449795), (19, 1144575), (25, 869877), (45, 483265), (57, 381525), (75, 289959), (95, 228915), (171, 127175), (225, 96653), (285, 76305), (475, 45783), (855, 25435), (1425, 15261), (4275, 5087)]