21688893357

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 30951708480

約数和(自身を除く): 9262815123

約数列:

[1, 3, 19, 57, 109, 313, 327, 361, 587, 939, 1083, 1761, 2071, 5947, 6213, 11153, 17841, 33459, 34117, 39349, 63983, 102351, 112993, 118047, 183731, 191949, 211907, 338979, 551193, 635721, 648223, 1215677, 1944669, 3490889, 3647031, 10472667, 12316237, 20026679, 23097863, 36948711, 60080037, 66326891, 69293589, 198980673, 380506901, 1141520703, 7229631119, 21688893357]

約数ペア:

[(1, 21688893357), (3, 7229631119), (19, 1141520703), (57, 380506901), (109, 198980673), (313, 69293589), (327, 66326891), (361, 60080037), (587, 36948711), (939, 23097863), (1083, 20026679), (1761, 12316237), (2071, 10472667), (5947, 3647031), (6213, 3490889), (11153, 1944669), (17841, 1215677), (33459, 648223), (34117, 635721), (39349, 551193), (63983, 338979), (102351, 211907), (112993, 191949), (118047, 183731)]