21131946864

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{312899}}^1$

素因数の和:312987

約数の個数: 120

約数和(自身を含む): 68597692800

約数和(自身を除く): 47465745936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 67, 72, 84, 112, 126, 134, 144, 168, 201, 252, 268, 336, 402, 469, 504, 536, 603, 804, 938, 1008, 1072, 1206, 1407, 1608, 1876, 2412, 2814, 3216, 3752, 4221, 4824, 5628, 7504, 8442, 9648, 11256, 16884, 22512, 33768, 67536, 312899, 625798, 938697, 1251596, 1877394, 2190293, 2503192, 2816091, 3754788, 4380586, 5006384, 5632182, 6570879, 7509576, 8761172, 11264364, 13141758, 15019152, 17522344, 19712637, 20964233, 22528728, 26283516, 35044688, 39425274, 41928466, 45057456, 52567032, 62892699, 78850548, 83856932, 105134064, 125785398, 146749631, 157701096, 167713864, 188678097, 251570796, 293499262, 315402192, 335427728, 377356194, 440248893, 503141592, 586998524, 754712388, 880497786, 1006283184, 1173997048, 1320746679, 1509424776, 1760995572, 2347994096, 2641493358, 3018849552, 3521991144, 5282986716, 7043982288, 10565973432, 21131946864]

約数ペア:

[(1, 21131946864), (2, 10565973432), (3, 7043982288), (4, 5282986716), (6, 3521991144), (7, 3018849552), (8, 2641493358), (9, 2347994096), (12, 1760995572), (14, 1509424776), (16, 1320746679), (18, 1173997048), (21, 1006283184), (24, 880497786), (28, 754712388), (36, 586998524), (42, 503141592), (48, 440248893), (56, 377356194), (63, 335427728), (67, 315402192), (72, 293499262), (84, 251570796), (112, 188678097), (126, 167713864), (134, 157701096), (144, 146749631), (168, 125785398), (201, 105134064), (252, 83856932), (268, 78850548), (336, 62892699), (402, 52567032), (469, 45057456), (504, 41928466), (536, 39425274), (603, 35044688), (804, 26283516), (938, 22528728), (1008, 20964233), (1072, 19712637), (1206, 17522344), (1407, 15019152), (1608, 13141758), (1876, 11264364), (2412, 8761172), (2814, 7509576), (3216, 6570879), (3752, 5632182), (4221, 5006384), (4824, 4380586), (5628, 3754788), (7504, 2816091), (8442, 2503192), (9648, 2190293), (11256, 1877394), (16884, 1251596), (22512, 938697), (33768, 625798), (67536, 312899)]