21457192

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20014808

約数列:

[1, 2, 4, 8, 47, 94, 149, 188, 298, 376, 383, 596, 766, 1192, 1532, 3064, 7003, 14006, 18001, 28012, 36002, 56024, 57067, 72004, 114134, 144008, 228268, 456536, 2682149, 5364298, 10728596, 21457192]

約数ペア:

[(1, 21457192), (2, 10728596), (4, 5364298), (8, 2682149), (47, 456536), (94, 228268), (149, 144008), (188, 114134), (298, 72004), (376, 57067), (383, 56024), (596, 36002), (766, 28012), (1192, 18001), (1532, 14006), (3064, 7003)]