21282975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13513}}^1$

素因数の和:13536

約数の個数: 36

約数和(自身を含む): 43569136

約数和(自身を除く): 22286161

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13513, 40539, 67565, 94591, 121617, 202695, 283773, 337825, 472955, 608085, 851319, 1013475, 1418865, 2364775, 3040425, 4256595, 7094325, 21282975]

約数ペア:

[(1, 21282975), (3, 7094325), (5, 4256595), (7, 3040425), (9, 2364775), (15, 1418865), (21, 1013475), (25, 851319), (35, 608085), (45, 472955), (63, 337825), (75, 283773), (105, 202695), (175, 121617), (225, 94591), (315, 67565), (525, 40539), (1575, 13513)]