21314475

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 48330240

約数和(自身を除く): 27015765

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 347, 351, 455, 525, 585, 675, 819, 945, 975, 1041, 1365, 1575, 1735, 1755, 2275, 2429, 2457, 2925, 3123, 4095, 4511, 4725, 5205, 6825, 7287, 8675, 8775, 9369, 12145, 12285, 13533, 15615, 20475, 21861, 22555, 26025, 31577, 36435, 40599, 46845, 60725, 61425, 65583, 67665, 78075, 94731, 109305, 112775, 121797, 157885, 182175, 202995, 234225, 284193, 327915, 338325, 473655, 546525, 608985, 789425, 852579, 1014975, 1420965, 1639575, 2368275, 3044925, 4262895, 7104825, 21314475]

約数ペア:

[(1, 21314475), (3, 7104825), (5, 4262895), (7, 3044925), (9, 2368275), (13, 1639575), (15, 1420965), (21, 1014975), (25, 852579), (27, 789425), (35, 608985), (39, 546525), (45, 473655), (63, 338325), (65, 327915), (75, 284193), (91, 234225), (105, 202995), (117, 182175), (135, 157885), (175, 121797), (189, 112775), (195, 109305), (225, 94731), (273, 78075), (315, 67665), (325, 65583), (347, 61425), (351, 60725), (455, 46845), (525, 40599), (585, 36435), (675, 31577), (819, 26025), (945, 22555), (975, 21861), (1041, 20475), (1365, 15615), (1575, 13533), (1735, 12285), (1755, 12145), (2275, 9369), (2429, 8775), (2457, 8675), (2925, 7287), (3123, 6825), (4095, 5205), (4511, 4725)]