21525280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19219}}^1$

素因数の和:19241

約数の個数: 48

約数和(自身を含む): 58121280

約数和(自身を除く): 36596000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19219, 38438, 76876, 96095, 134533, 153752, 192190, 269066, 307504, 384380, 538132, 615008, 672665, 768760, 1076264, 1345330, 1537520, 2152528, 2690660, 3075040, 4305056, 5381320, 10762640, 21525280]

約数ペア:

[(1, 21525280), (2, 10762640), (4, 5381320), (5, 4305056), (7, 3075040), (8, 2690660), (10, 2152528), (14, 1537520), (16, 1345330), (20, 1076264), (28, 768760), (32, 672665), (35, 615008), (40, 538132), (56, 384380), (70, 307504), (80, 269066), (112, 192190), (140, 153752), (160, 134533), (224, 96095), (280, 76876), (560, 38438), (1120, 19219)]