21257346

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 27264894

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 59, 66, 103, 106, 118, 159, 177, 206, 309, 318, 354, 583, 618, 649, 1133, 1166, 1298, 1749, 1947, 2266, 3127, 3399, 3498, 3894, 5459, 6077, 6254, 6798, 9381, 10918, 12154, 16377, 18231, 18762, 32754, 34397, 36462, 60049, 66847, 68794, 103191, 120098, 133694, 180147, 200541, 206382, 322081, 360294, 401082, 644162, 966243, 1932486, 3542891, 7085782, 10628673, 21257346]

約数ペア:

[(1, 21257346), (2, 10628673), (3, 7085782), (6, 3542891), (11, 1932486), (22, 966243), (33, 644162), (53, 401082), (59, 360294), (66, 322081), (103, 206382), (106, 200541), (118, 180147), (159, 133694), (177, 120098), (206, 103191), (309, 68794), (318, 66847), (354, 60049), (583, 36462), (618, 34397), (649, 32754), (1133, 18762), (1166, 18231), (1298, 16377), (1749, 12154), (1947, 10918), (2266, 9381), (3127, 6798), (3399, 6254), (3498, 6077), (3894, 5459)]