21036276

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 57886920

約数和(自身を除く): 36850644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 929, 1258, 1332, 1858, 1887, 2516, 2787, 3716, 3774, 5574, 5661, 7548, 8361, 11148, 11322, 15793, 16722, 22644, 31586, 33444, 34373, 47379, 63172, 68746, 94758, 103119, 137492, 142137, 189516, 206238, 284274, 309357, 412476, 568548, 584341, 618714, 1168682, 1237428, 1753023, 2337364, 3506046, 5259069, 7012092, 10518138, 21036276]

約数ペア:

[(1, 21036276), (2, 10518138), (3, 7012092), (4, 5259069), (6, 3506046), (9, 2337364), (12, 1753023), (17, 1237428), (18, 1168682), (34, 618714), (36, 584341), (37, 568548), (51, 412476), (68, 309357), (74, 284274), (102, 206238), (111, 189516), (148, 142137), (153, 137492), (204, 103119), (222, 94758), (306, 68746), (333, 63172), (444, 47379), (612, 34373), (629, 33444), (666, 31586), (929, 22644), (1258, 16722), (1332, 15793), (1858, 11322), (1887, 11148), (2516, 8361), (2787, 7548), (3716, 5661), (3774, 5574)]