21144780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39157}}^1$

素因数の和:39175

約数の個数: 48

約数和(自身を含む): 65785440

約数和(自身を除く): 44640660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39157, 78314, 117471, 156628, 195785, 234942, 352413, 391570, 469884, 587355, 704826, 783140, 1057239, 1174710, 1409652, 1762065, 2114478, 2349420, 3524130, 4228956, 5286195, 7048260, 10572390, 21144780]

約数ペア:

[(1, 21144780), (2, 10572390), (3, 7048260), (4, 5286195), (5, 4228956), (6, 3524130), (9, 2349420), (10, 2114478), (12, 1762065), (15, 1409652), (18, 1174710), (20, 1057239), (27, 783140), (30, 704826), (36, 587355), (45, 469884), (54, 391570), (60, 352413), (90, 234942), (108, 195785), (135, 156628), (180, 117471), (270, 78314), (540, 39157)]