21293376

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 112

約数和(自身を含む): 64008000

約数和(自身を除く): 42714624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 152, 156, 192, 208, 228, 247, 304, 312, 416, 449, 456, 494, 608, 624, 741, 832, 898, 912, 988, 1216, 1248, 1347, 1482, 1796, 1824, 1976, 2496, 2694, 2964, 3592, 3648, 3952, 5388, 5837, 5928, 7184, 7904, 8531, 10776, 11674, 11856, 14368, 15808, 17062, 17511, 21552, 23348, 23712, 25593, 28736, 34124, 35022, 43104, 46696, 47424, 51186, 68248, 70044, 86208, 93392, 102372, 110903, 136496, 140088, 186784, 204744, 221806, 272992, 280176, 332709, 373568, 409488, 443612, 545984, 560352, 665418, 818976, 887224, 1120704, 1330836, 1637952, 1774448, 2661672, 3548896, 5323344, 7097792, 10646688, 21293376]

約数ペア:

[(1, 21293376), (2, 10646688), (3, 7097792), (4, 5323344), (6, 3548896), (8, 2661672), (12, 1774448), (13, 1637952), (16, 1330836), (19, 1120704), (24, 887224), (26, 818976), (32, 665418), (38, 560352), (39, 545984), (48, 443612), (52, 409488), (57, 373568), (64, 332709), (76, 280176), (78, 272992), (96, 221806), (104, 204744), (114, 186784), (152, 140088), (156, 136496), (192, 110903), (208, 102372), (228, 93392), (247, 86208), (304, 70044), (312, 68248), (416, 51186), (449, 47424), (456, 46696), (494, 43104), (608, 35022), (624, 34124), (741, 28736), (832, 25593), (898, 23712), (912, 23348), (988, 21552), (1216, 17511), (1248, 17062), (1347, 15808), (1482, 14368), (1796, 11856), (1824, 11674), (1976, 10776), (2496, 8531), (2694, 7904), (2964, 7184), (3592, 5928), (3648, 5837), (3952, 5388)]