21403968

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2775

約数の個数: 56

約数和(自身を含む): 58033920

約数和(自身を除く): 36629952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2624, 2719, 3936, 5438, 7872, 8157, 10876, 16314, 21752, 32628, 43504, 65256, 87008, 111479, 130512, 174016, 222958, 261024, 334437, 445916, 522048, 668874, 891832, 1337748, 1783664, 2675496, 3567328, 5350992, 7134656, 10701984, 21403968]

約数ペア:

[(1, 21403968), (2, 10701984), (3, 7134656), (4, 5350992), (6, 3567328), (8, 2675496), (12, 1783664), (16, 1337748), (24, 891832), (32, 668874), (41, 522048), (48, 445916), (64, 334437), (82, 261024), (96, 222958), (123, 174016), (164, 130512), (192, 111479), (246, 87008), (328, 65256), (492, 43504), (656, 32628), (984, 21752), (1312, 16314), (1968, 10876), (2624, 8157), (2719, 7872), (3936, 5438)]