21515692023

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1\times {\mathrm{2621}}^1$

素因数の和:3432

約数の個数: 48

約数和(自身を含む): 35749396800

約数和(自身を除く): 14233704777

約数列:

[1, 3, 7, 9, 21, 63, 229, 569, 687, 1603, 1707, 2061, 2621, 3983, 4809, 5121, 7863, 11949, 14427, 18347, 23589, 35847, 55041, 130301, 165123, 390903, 600209, 912107, 1172709, 1491349, 1800627, 2736321, 4201463, 4474047, 5401881, 8208963, 10439443, 12604389, 13422141, 31318329, 37813167, 93954987, 341518921, 1024556763, 2390632447, 3073670289, 7171897341, 21515692023]

約数ペア:

[(1, 21515692023), (3, 7171897341), (7, 3073670289), (9, 2390632447), (21, 1024556763), (63, 341518921), (229, 93954987), (569, 37813167), (687, 31318329), (1603, 13422141), (1707, 12604389), (2061, 10439443), (2621, 8208963), (3983, 5401881), (4809, 4474047), (5121, 4201463), (7863, 2736321), (11949, 1800627), (14427, 1491349), (18347, 1172709), (23589, 912107), (35847, 600209), (55041, 390903), (130301, 165123)]