21624780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1021}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 60780384

約数和(自身を除く): 39155604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353, 706, 1021, 1059, 1412, 1765, 2042, 2118, 3063, 3530, 4084, 4236, 5105, 5295, 6126, 7060, 10210, 10590, 12252, 15315, 20420, 21180, 30630, 61260, 360413, 720826, 1081239, 1441652, 1802065, 2162478, 3604130, 4324956, 5406195, 7208260, 10812390, 21624780]

約数ペア:

[(1, 21624780), (2, 10812390), (3, 7208260), (4, 5406195), (5, 4324956), (6, 3604130), (10, 2162478), (12, 1802065), (15, 1441652), (20, 1081239), (30, 720826), (60, 360413), (353, 61260), (706, 30630), (1021, 21180), (1059, 20420), (1412, 15315), (1765, 12252), (2042, 10590), (2118, 10210), (3063, 7060), (3530, 6126), (4084, 5295), (4236, 5105)]