21889954

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{7121}}^1$

素因数の和:7205

約数の個数: 16

約数和(自身を含む): 34612920

約数和(自身を除く): 12722966

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 7121, 14242, 206509, 377413, 413018, 754826, 10944977, 21889954]

約数ペア:

[(1, 21889954), (2, 10944977), (29, 754826), (53, 413018), (58, 377413), (106, 206509), (1537, 14242), (3074, 7121)]