21714950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 43590960

約数和(自身を除く): 21876010

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 59, 85, 118, 170, 295, 425, 433, 590, 850, 866, 1003, 1475, 2006, 2165, 2950, 4330, 5015, 7361, 10030, 10825, 14722, 21650, 25075, 25547, 36805, 50150, 51094, 73610, 127735, 184025, 255470, 368050, 434299, 638675, 868598, 1277350, 2171495, 4342990, 10857475, 21714950]

約数ペア:

[(1, 21714950), (2, 10857475), (5, 4342990), (10, 2171495), (17, 1277350), (25, 868598), (34, 638675), (50, 434299), (59, 368050), (85, 255470), (118, 184025), (170, 127735), (295, 73610), (425, 51094), (433, 50150), (590, 36805), (850, 25547), (866, 25075), (1003, 21650), (1475, 14722), (2006, 10825), (2165, 10030), (2950, 7361), (4330, 5015)]