21528304

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 47996928

約数和(自身を除く): 26468624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1151, 1169, 1336, 2302, 2338, 2672, 4604, 4676, 8057, 9208, 9352, 16114, 18416, 18704, 32228, 64456, 128912, 192217, 384434, 768868, 1345519, 1537736, 2691038, 3075472, 5382076, 10764152, 21528304]

約数ペア:

[(1, 21528304), (2, 10764152), (4, 5382076), (7, 3075472), (8, 2691038), (14, 1537736), (16, 1345519), (28, 768868), (56, 384434), (112, 192217), (167, 128912), (334, 64456), (668, 32228), (1151, 18704), (1169, 18416), (1336, 16114), (2302, 9352), (2338, 9208), (2672, 8057), (4604, 4676)]