21291240075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{48337}}^1$

素因数の和:49196

約数の個数: 48

約数和(自身を含む): 40279088640

約数和(自身を除く): 18987848565

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 839, 2517, 4195, 5873, 12585, 17619, 20975, 29365, 48337, 62925, 88095, 145011, 146825, 241685, 338359, 440475, 725055, 1015077, 1208425, 1691795, 3625275, 5075385, 8458975, 25376925, 40554743, 121664229, 202773715, 283883201, 608321145, 851649603, 1013868575, 1419416005, 3041605725, 4258248015, 7097080025, 21291240075]

約数ペア:

[(1, 21291240075), (3, 7097080025), (5, 4258248015), (7, 3041605725), (15, 1419416005), (21, 1013868575), (25, 851649603), (35, 608321145), (75, 283883201), (105, 202773715), (175, 121664229), (525, 40554743), (839, 25376925), (2517, 8458975), (4195, 5075385), (5873, 3625275), (12585, 1691795), (17619, 1208425), (20975, 1015077), (29365, 725055), (48337, 440475), (62925, 338359), (88095, 241685), (145011, 146825)]