21697344

素因数分解:

$2^6\times 3^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 84

約数和(自身を含む): 62870080

約数和(自身を除く): 41172736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 139, 144, 192, 271, 278, 288, 417, 542, 556, 576, 813, 834, 1084, 1112, 1251, 1626, 1668, 2168, 2224, 2439, 2502, 3252, 3336, 4336, 4448, 4878, 5004, 6504, 6672, 8672, 8896, 9756, 10008, 13008, 13344, 17344, 19512, 20016, 26016, 26688, 37669, 39024, 40032, 52032, 75338, 78048, 80064, 113007, 150676, 156096, 226014, 301352, 339021, 452028, 602704, 678042, 904056, 1205408, 1356084, 1808112, 2410816, 2712168, 3616224, 5424336, 7232448, 10848672, 21697344]

約数ペア:

[(1, 21697344), (2, 10848672), (3, 7232448), (4, 5424336), (6, 3616224), (8, 2712168), (9, 2410816), (12, 1808112), (16, 1356084), (18, 1205408), (24, 904056), (32, 678042), (36, 602704), (48, 452028), (64, 339021), (72, 301352), (96, 226014), (139, 156096), (144, 150676), (192, 113007), (271, 80064), (278, 78048), (288, 75338), (417, 52032), (542, 40032), (556, 39024), (576, 37669), (813, 26688), (834, 26016), (1084, 20016), (1112, 19512), (1251, 17344), (1626, 13344), (1668, 13008), (2168, 10008), (2224, 9756), (2439, 8896), (2502, 8672), (3252, 6672), (3336, 6504), (4336, 5004), (4448, 4878)]