21135296

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 112

約数和(自身を含む): 54620160

約数和(自身を除く): 33484864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 133, 152, 182, 191, 208, 224, 247, 266, 304, 364, 382, 416, 448, 494, 532, 608, 728, 764, 832, 988, 1064, 1216, 1337, 1456, 1528, 1729, 1976, 2128, 2483, 2674, 2912, 3056, 3458, 3629, 3952, 4256, 4966, 5348, 5824, 6112, 6916, 7258, 7904, 8512, 9932, 10696, 12224, 13832, 14516, 15808, 17381, 19864, 21392, 25403, 27664, 29032, 34762, 39728, 42784, 47177, 50806, 55328, 58064, 69524, 79456, 85568, 94354, 101612, 110656, 116128, 139048, 158912, 188708, 203224, 232256, 278096, 330239, 377416, 406448, 556192, 660478, 754832, 812896, 1112384, 1320956, 1509664, 1625792, 2641912, 3019328, 5283824, 10567648, 21135296]

約数ペア:

[(1, 21135296), (2, 10567648), (4, 5283824), (7, 3019328), (8, 2641912), (13, 1625792), (14, 1509664), (16, 1320956), (19, 1112384), (26, 812896), (28, 754832), (32, 660478), (38, 556192), (52, 406448), (56, 377416), (64, 330239), (76, 278096), (91, 232256), (104, 203224), (112, 188708), (133, 158912), (152, 139048), (182, 116128), (191, 110656), (208, 101612), (224, 94354), (247, 85568), (266, 79456), (304, 69524), (364, 58064), (382, 55328), (416, 50806), (448, 47177), (494, 42784), (532, 39728), (608, 34762), (728, 29032), (764, 27664), (832, 25403), (988, 21392), (1064, 19864), (1216, 17381), (1337, 15808), (1456, 14516), (1528, 13832), (1729, 12224), (1976, 10696), (2128, 9932), (2483, 8512), (2674, 7904), (2912, 7258), (3056, 6916), (3458, 6112), (3629, 5824), (3952, 5348), (4256, 4966)]