21421248

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 60472320

約数和(自身を除く): 39051072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 59, 61, 62, 64, 93, 96, 118, 122, 124, 177, 183, 186, 192, 236, 244, 248, 354, 366, 372, 472, 488, 496, 708, 732, 744, 944, 976, 992, 1416, 1464, 1488, 1829, 1888, 1891, 1952, 1984, 2832, 2928, 2976, 3599, 3658, 3776, 3782, 3904, 5487, 5664, 5673, 5856, 5952, 7198, 7316, 7564, 10797, 10974, 11328, 11346, 11712, 14396, 14632, 15128, 21594, 21948, 22692, 28792, 29264, 30256, 43188, 43896, 45384, 57584, 58528, 60512, 86376, 87792, 90768, 111569, 115168, 117056, 121024, 172752, 175584, 181536, 223138, 230336, 334707, 345504, 351168, 363072, 446276, 669414, 691008, 892552, 1338828, 1785104, 2677656, 3570208, 5355312, 7140416, 10710624, 21421248]

約数ペア:

[(1, 21421248), (2, 10710624), (3, 7140416), (4, 5355312), (6, 3570208), (8, 2677656), (12, 1785104), (16, 1338828), (24, 892552), (31, 691008), (32, 669414), (48, 446276), (59, 363072), (61, 351168), (62, 345504), (64, 334707), (93, 230336), (96, 223138), (118, 181536), (122, 175584), (124, 172752), (177, 121024), (183, 117056), (186, 115168), (192, 111569), (236, 90768), (244, 87792), (248, 86376), (354, 60512), (366, 58528), (372, 57584), (472, 45384), (488, 43896), (496, 43188), (708, 30256), (732, 29264), (744, 28792), (944, 22692), (976, 21948), (992, 21594), (1416, 15128), (1464, 14632), (1488, 14396), (1829, 11712), (1888, 11346), (1891, 11328), (1952, 10974), (1984, 10797), (2832, 7564), (2928, 7316), (2976, 7198), (3599, 5952), (3658, 5856), (3776, 5673), (3782, 5664), (3904, 5487)]