21494025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4549}}^1$

素因数の和:4575

約数の個数: 48

約数和(自身を含む): 45136000

約数和(自身を除く): 23641975

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4549, 4725, 13647, 22745, 31843, 40941, 68235, 95529, 113725, 122823, 159215, 204705, 286587, 341175, 477645, 614115, 796075, 859761, 1023525, 1432935, 2388225, 3070575, 4298805, 7164675, 21494025]

約数ペア:

[(1, 21494025), (3, 7164675), (5, 4298805), (7, 3070575), (9, 2388225), (15, 1432935), (21, 1023525), (25, 859761), (27, 796075), (35, 614115), (45, 477645), (63, 341175), (75, 286587), (105, 204705), (135, 159215), (175, 122823), (189, 113725), (225, 95529), (315, 68235), (525, 40941), (675, 31843), (945, 22745), (1575, 13647), (4549, 4725)]