21041640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19483}}^1$

素因数の和:19503

約数の個数: 64

約数和(自身を含む): 70142400

約数和(自身を除く): 49100760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19483, 38966, 58449, 77932, 97415, 116898, 155864, 175347, 194830, 233796, 292245, 350694, 389660, 467592, 526041, 584490, 701388, 779320, 876735, 1052082, 1168980, 1402776, 1753470, 2104164, 2337960, 2630205, 3506940, 4208328, 5260410, 7013880, 10520820, 21041640]

約数ペア:

[(1, 21041640), (2, 10520820), (3, 7013880), (4, 5260410), (5, 4208328), (6, 3506940), (8, 2630205), (9, 2337960), (10, 2104164), (12, 1753470), (15, 1402776), (18, 1168980), (20, 1052082), (24, 876735), (27, 779320), (30, 701388), (36, 584490), (40, 526041), (45, 467592), (54, 389660), (60, 350694), (72, 292245), (90, 233796), (108, 194830), (120, 175347), (135, 155864), (180, 116898), (216, 97415), (270, 77932), (360, 58449), (540, 38966), (1080, 19483)]