21741525

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7433}}^1$

素因数の和:7462

約数の個数: 36

約数和(自身を含む): 41942628

約数和(自身を除く): 20201103

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 7433, 22299, 37165, 66897, 96629, 111495, 185825, 289887, 334485, 483145, 557475, 869661, 1449435, 1672425, 2415725, 4348305, 7247175, 21741525]

約数ペア:

[(1, 21741525), (3, 7247175), (5, 4348305), (9, 2415725), (13, 1672425), (15, 1449435), (25, 869661), (39, 557475), (45, 483145), (65, 334485), (75, 289887), (117, 185825), (195, 111495), (225, 96629), (325, 66897), (585, 37165), (975, 22299), (2925, 7433)]