21341880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{941}}^1$

素因数の和:971

約数の個数: 160

約数和(自身を含む): 82067040

約数和(自身を除く): 60725160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 941, 945, 1080, 1134, 1260, 1512, 1620, 1882, 1890, 2268, 2520, 2823, 2835, 3240, 3764, 3780, 4536, 4705, 5646, 5670, 6587, 7528, 7560, 8469, 9410, 11292, 11340, 13174, 14115, 16938, 18820, 19761, 22584, 22680, 25407, 26348, 28230, 32935, 33876, 37640, 39522, 42345, 50814, 52696, 56460, 59283, 65870, 67752, 76221, 79044, 84690, 98805, 101628, 112920, 118566, 127035, 131740, 152442, 158088, 169380, 177849, 197610, 203256, 237132, 254070, 263480, 296415, 304884, 338760, 355698, 381105, 395220, 474264, 508140, 533547, 592830, 609768, 711396, 762210, 790440, 889245, 1016280, 1067094, 1185660, 1422792, 1524420, 1778490, 2134188, 2371320, 2667735, 3048840, 3556980, 4268376, 5335470, 7113960, 10670940, 21341880]

約数ペア:

[(1, 21341880), (2, 10670940), (3, 7113960), (4, 5335470), (5, 4268376), (6, 3556980), (7, 3048840), (8, 2667735), (9, 2371320), (10, 2134188), (12, 1778490), (14, 1524420), (15, 1422792), (18, 1185660), (20, 1067094), (21, 1016280), (24, 889245), (27, 790440), (28, 762210), (30, 711396), (35, 609768), (36, 592830), (40, 533547), (42, 508140), (45, 474264), (54, 395220), (56, 381105), (60, 355698), (63, 338760), (70, 304884), (72, 296415), (81, 263480), (84, 254070), (90, 237132), (105, 203256), (108, 197610), (120, 177849), (126, 169380), (135, 158088), (140, 152442), (162, 131740), (168, 127035), (180, 118566), (189, 112920), (210, 101628), (216, 98805), (252, 84690), (270, 79044), (280, 76221), (315, 67752), (324, 65870), (360, 59283), (378, 56460), (405, 52696), (420, 50814), (504, 42345), (540, 39522), (567, 37640), (630, 33876), (648, 32935), (756, 28230), (810, 26348), (840, 25407), (941, 22680), (945, 22584), (1080, 19761), (1134, 18820), (1260, 16938), (1512, 14115), (1620, 13174), (1882, 11340), (1890, 11292), (2268, 9410), (2520, 8469), (2823, 7560), (2835, 7528), (3240, 6587), (3764, 5670), (3780, 5646), (4536, 4705)]