21240944

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22501}}^1$

素因数の和:22568

約数の個数: 20

約数和(自身を含む): 41853720

約数和(自身を除く): 20612776

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22501, 45002, 90004, 180008, 360016, 1327559, 2655118, 5310236, 10620472, 21240944]

約数ペア:

[(1, 21240944), (2, 10620472), (4, 5310236), (8, 2655118), (16, 1327559), (59, 360016), (118, 180008), (236, 90004), (472, 45002), (944, 22501)]