21914656

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 23130848

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 83, 148, 166, 223, 296, 332, 446, 592, 664, 892, 1184, 1328, 1784, 2656, 3071, 3568, 6142, 7136, 8251, 12284, 16502, 18509, 24568, 33004, 37018, 49136, 66008, 74036, 98272, 132016, 148072, 264032, 296144, 592288, 684833, 1369666, 2739332, 5478664, 10957328, 21914656]

約数ペア:

[(1, 21914656), (2, 10957328), (4, 5478664), (8, 2739332), (16, 1369666), (32, 684833), (37, 592288), (74, 296144), (83, 264032), (148, 148072), (166, 132016), (223, 98272), (296, 74036), (332, 66008), (446, 49136), (592, 37018), (664, 33004), (892, 24568), (1184, 18509), (1328, 16502), (1784, 12284), (2656, 8251), (3071, 7136), (3568, 6142)]