21452016

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4339}}^1$

素因数の和:4453

約数の個数: 40

約数和(自身を含む): 55968640

約数和(自身を除く): 34516624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4339, 4944, 8678, 13017, 17356, 26034, 34712, 52068, 69424, 104136, 208272, 446917, 893834, 1340751, 1787668, 2681502, 3575336, 5363004, 7150672, 10726008, 21452016]

約数ペア:

[(1, 21452016), (2, 10726008), (3, 7150672), (4, 5363004), (6, 3575336), (8, 2681502), (12, 1787668), (16, 1340751), (24, 893834), (48, 446917), (103, 208272), (206, 104136), (309, 69424), (412, 52068), (618, 34712), (824, 26034), (1236, 17356), (1648, 13017), (2472, 8678), (4339, 4944)]