21132648

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^2\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 59445750

約数和(自身を除く): 38313102

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 349, 522, 696, 698, 841, 1044, 1047, 1396, 1682, 2088, 2094, 2523, 2792, 3141, 3364, 4188, 5046, 6282, 6728, 7569, 8376, 10092, 10121, 12564, 15138, 20184, 20242, 25128, 30276, 30363, 40484, 60552, 60726, 80968, 91089, 121452, 182178, 242904, 293509, 364356, 587018, 728712, 880527, 1174036, 1761054, 2348072, 2641581, 3522108, 5283162, 7044216, 10566324, 21132648]

約数ペア:

[(1, 21132648), (2, 10566324), (3, 7044216), (4, 5283162), (6, 3522108), (8, 2641581), (9, 2348072), (12, 1761054), (18, 1174036), (24, 880527), (29, 728712), (36, 587018), (58, 364356), (72, 293509), (87, 242904), (116, 182178), (174, 121452), (232, 91089), (261, 80968), (348, 60726), (349, 60552), (522, 40484), (696, 30363), (698, 30276), (841, 25128), (1044, 20242), (1047, 20184), (1396, 15138), (1682, 12564), (2088, 10121), (2094, 10092), (2523, 8376), (2792, 7569), (3141, 6728), (3364, 6282), (4188, 5046)]