21919824

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^2\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 90

約数和(自身を含む): 63884366

約数和(自身を除く): 41964542

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 181, 232, 261, 348, 362, 464, 522, 543, 696, 724, 841, 1044, 1086, 1392, 1448, 1629, 1682, 2088, 2172, 2523, 2896, 3258, 3364, 4176, 4344, 5046, 5249, 6516, 6728, 7569, 8688, 10092, 10498, 13032, 13456, 15138, 15747, 20184, 20996, 26064, 30276, 31494, 40368, 41992, 47241, 60552, 62988, 83984, 94482, 121104, 125976, 152221, 188964, 251952, 304442, 377928, 456663, 608884, 755856, 913326, 1217768, 1369989, 1826652, 2435536, 2739978, 3653304, 5479956, 7306608, 10959912, 21919824]

約数ペア:

[(1, 21919824), (2, 10959912), (3, 7306608), (4, 5479956), (6, 3653304), (8, 2739978), (9, 2435536), (12, 1826652), (16, 1369989), (18, 1217768), (24, 913326), (29, 755856), (36, 608884), (48, 456663), (58, 377928), (72, 304442), (87, 251952), (116, 188964), (144, 152221), (174, 125976), (181, 121104), (232, 94482), (261, 83984), (348, 62988), (362, 60552), (464, 47241), (522, 41992), (543, 40368), (696, 31494), (724, 30276), (841, 26064), (1044, 20996), (1086, 20184), (1392, 15747), (1448, 15138), (1629, 13456), (1682, 13032), (2088, 10498), (2172, 10092), (2523, 8688), (2896, 7569), (3258, 6728), (3364, 6516), (4176, 5249), (4344, 5046)]