21525798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 50462784

約数和(自身を除く): 28936986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 211, 294, 347, 422, 633, 694, 1041, 1266, 1477, 2082, 2429, 2954, 4431, 4858, 7287, 8862, 10339, 14574, 17003, 20678, 31017, 34006, 51009, 62034, 73217, 102018, 146434, 219651, 439302, 512519, 1025038, 1537557, 3075114, 3587633, 7175266, 10762899, 21525798]

約数ペア:

[(1, 21525798), (2, 10762899), (3, 7175266), (6, 3587633), (7, 3075114), (14, 1537557), (21, 1025038), (42, 512519), (49, 439302), (98, 219651), (147, 146434), (211, 102018), (294, 73217), (347, 62034), (422, 51009), (633, 34006), (694, 31017), (1041, 20678), (1266, 17003), (1477, 14574), (2082, 10339), (2429, 8862), (2954, 7287), (4431, 4858)]