21947625

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{929}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 46425600

約数和(自身を除く): 24477975

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 875, 929, 945, 1125, 1575, 2625, 2787, 3375, 4645, 4725, 6503, 7875, 8361, 13935, 19509, 23225, 23625, 25083, 32515, 41805, 58527, 69675, 97545, 116125, 125415, 162575, 175581, 209025, 292635, 348375, 487725, 627075, 812875, 877905, 1045125, 1463175, 2438625, 3135375, 4389525, 7315875, 21947625]

約数ペア:

[(1, 21947625), (3, 7315875), (5, 4389525), (7, 3135375), (9, 2438625), (15, 1463175), (21, 1045125), (25, 877905), (27, 812875), (35, 627075), (45, 487725), (63, 348375), (75, 292635), (105, 209025), (125, 175581), (135, 162575), (175, 125415), (189, 116125), (225, 97545), (315, 69675), (375, 58527), (525, 41805), (675, 32515), (875, 25083), (929, 23625), (945, 23225), (1125, 19509), (1575, 13935), (2625, 8361), (2787, 7875), (3375, 6503), (4645, 4725)]