2021268165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{13879}}^1$

素因数の和:13986

約数の個数: 64

約数和(自身を含む): 3944140800

約数和(自身を除く): 1922872635

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 219, 285, 365, 399, 511, 665, 1095, 1387, 1533, 1995, 2555, 4161, 6935, 7665, 9709, 13879, 20805, 29127, 41637, 48545, 69395, 97153, 145635, 208185, 263701, 291459, 485765, 791103, 1013167, 1318505, 1457295, 1845907, 3039501, 3955515, 5065835, 5537721, 7092169, 9229535, 15197505, 19250173, 21276507, 27688605, 35460845, 57750519, 96250865, 106382535, 134751211, 288752595, 404253633, 673756055, 2021268165]

約数ペア:

[(1, 2021268165), (3, 673756055), (5, 404253633), (7, 288752595), (15, 134751211), (19, 106382535), (21, 96250865), (35, 57750519), (57, 35460845), (73, 27688605), (95, 21276507), (105, 19250173), (133, 15197505), (219, 9229535), (285, 7092169), (365, 5537721), (399, 5065835), (511, 3955515), (665, 3039501), (1095, 1845907), (1387, 1457295), (1533, 1318505), (1995, 1013167), (2555, 791103), (4161, 485765), (6935, 291459), (7665, 263701), (9709, 208185), (13879, 145635), (20805, 97153), (29127, 69395), (41637, 48545)]