21526904

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7253}}^1$

素因数の和:7319

約数の個数: 32

約数和(自身を含む): 47005920

約数和(自身を除く): 25479016

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7253, 14506, 29012, 50771, 58024, 101542, 203084, 384409, 406168, 768818, 1537636, 2690863, 3075272, 5381726, 10763452, 21526904]

約数ペア:

[(1, 21526904), (2, 10763452), (4, 5381726), (7, 3075272), (8, 2690863), (14, 1537636), (28, 768818), (53, 406168), (56, 384409), (106, 203084), (212, 101542), (371, 58024), (424, 50771), (742, 29012), (1484, 14506), (2968, 7253)]