21176235

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 39443040

約数和(自身を除く): 18266805

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 601, 783, 1215, 1305, 1803, 2349, 3005, 3915, 5409, 7047, 9015, 11745, 16227, 17429, 27045, 35235, 48681, 52287, 81135, 87145, 146043, 156861, 243405, 261435, 470583, 730215, 784305, 1411749, 2352915, 4235247, 7058745, 21176235]

約数ペア:

[(1, 21176235), (3, 7058745), (5, 4235247), (9, 2352915), (15, 1411749), (27, 784305), (29, 730215), (45, 470583), (81, 261435), (87, 243405), (135, 156861), (145, 146043), (243, 87145), (261, 81135), (405, 52287), (435, 48681), (601, 35235), (783, 27045), (1215, 17429), (1305, 16227), (1803, 11745), (2349, 9015), (3005, 7047), (3915, 5409)]