21246792

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 43553208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 49, 56, 58, 84, 87, 89, 98, 116, 147, 168, 174, 178, 196, 203, 232, 267, 294, 343, 348, 356, 392, 406, 534, 588, 609, 623, 686, 696, 712, 812, 1029, 1068, 1176, 1218, 1246, 1372, 1421, 1624, 1869, 2058, 2136, 2436, 2492, 2581, 2744, 2842, 3738, 4116, 4263, 4361, 4872, 4984, 5162, 5684, 7476, 7743, 8232, 8526, 8722, 9947, 10324, 11368, 13083, 14952, 15486, 17052, 17444, 18067, 19894, 20648, 26166, 29841, 30527, 30972, 34104, 34888, 36134, 39788, 52332, 54201, 59682, 61054, 61944, 72268, 79576, 91581, 104664, 108402, 119364, 122108, 126469, 144536, 183162, 216804, 238728, 244216, 252938, 366324, 379407, 433608, 505876, 732648, 758814, 885283, 1011752, 1517628, 1770566, 2655849, 3035256, 3541132, 5311698, 7082264, 10623396, 21246792]

約数ペア:

[(1, 21246792), (2, 10623396), (3, 7082264), (4, 5311698), (6, 3541132), (7, 3035256), (8, 2655849), (12, 1770566), (14, 1517628), (21, 1011752), (24, 885283), (28, 758814), (29, 732648), (42, 505876), (49, 433608), (56, 379407), (58, 366324), (84, 252938), (87, 244216), (89, 238728), (98, 216804), (116, 183162), (147, 144536), (168, 126469), (174, 122108), (178, 119364), (196, 108402), (203, 104664), (232, 91581), (267, 79576), (294, 72268), (343, 61944), (348, 61054), (356, 59682), (392, 54201), (406, 52332), (534, 39788), (588, 36134), (609, 34888), (623, 34104), (686, 30972), (696, 30527), (712, 29841), (812, 26166), (1029, 20648), (1068, 19894), (1176, 18067), (1218, 17444), (1246, 17052), (1372, 15486), (1421, 14952), (1624, 13083), (1869, 11368), (2058, 10324), (2136, 9947), (2436, 8722), (2492, 8526), (2581, 8232), (2744, 7743), (2842, 7476), (3738, 5684), (4116, 5162), (4263, 4984), (4361, 4872)]