21677616

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^2\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 90

約数和(自身を含む): 63182340

約数和(自身を除く): 41504724

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 179, 232, 261, 348, 358, 464, 522, 537, 696, 716, 841, 1044, 1074, 1392, 1432, 1611, 1682, 2088, 2148, 2523, 2864, 3222, 3364, 4176, 4296, 5046, 5191, 6444, 6728, 7569, 8592, 10092, 10382, 12888, 13456, 15138, 15573, 20184, 20764, 25776, 30276, 31146, 40368, 41528, 46719, 60552, 62292, 83056, 93438, 121104, 124584, 150539, 186876, 249168, 301078, 373752, 451617, 602156, 747504, 903234, 1204312, 1354851, 1806468, 2408624, 2709702, 3612936, 5419404, 7225872, 10838808, 21677616]

約数ペア:

[(1, 21677616), (2, 10838808), (3, 7225872), (4, 5419404), (6, 3612936), (8, 2709702), (9, 2408624), (12, 1806468), (16, 1354851), (18, 1204312), (24, 903234), (29, 747504), (36, 602156), (48, 451617), (58, 373752), (72, 301078), (87, 249168), (116, 186876), (144, 150539), (174, 124584), (179, 121104), (232, 93438), (261, 83056), (348, 62292), (358, 60552), (464, 46719), (522, 41528), (537, 40368), (696, 31146), (716, 30276), (841, 25776), (1044, 20764), (1074, 20184), (1392, 15573), (1432, 15138), (1611, 13456), (1682, 12888), (2088, 10382), (2148, 10092), (2523, 8592), (2864, 7569), (3222, 6728), (3364, 6444), (4176, 5191), (4296, 5046)]