21452886

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1906

約数の個数: 72

約数和(自身を含む): 58260384

約数和(自身を除く): 36807498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1871, 1911, 3742, 3822, 5613, 5733, 11226, 11466, 13097, 16839, 24323, 26194, 33678, 39291, 48646, 72969, 78582, 91679, 117873, 145938, 170261, 183358, 218907, 235746, 275037, 340522, 437814, 510783, 550074, 825111, 1021566, 1191827, 1532349, 1650222, 2383654, 3064698, 3575481, 7150962, 10726443, 21452886]

約数ペア:

[(1, 21452886), (2, 10726443), (3, 7150962), (6, 3575481), (7, 3064698), (9, 2383654), (13, 1650222), (14, 1532349), (18, 1191827), (21, 1021566), (26, 825111), (39, 550074), (42, 510783), (49, 437814), (63, 340522), (78, 275037), (91, 235746), (98, 218907), (117, 183358), (126, 170261), (147, 145938), (182, 117873), (234, 91679), (273, 78582), (294, 72969), (441, 48646), (546, 39291), (637, 33678), (819, 26194), (882, 24323), (1274, 16839), (1638, 13097), (1871, 11466), (1911, 11226), (3742, 5733), (3822, 5613)]