21086676

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 96

約数和(自身を含む): 61528320

約数和(自身を除く): 40441644

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 92, 108, 117, 138, 156, 207, 234, 276, 299, 351, 414, 468, 598, 621, 653, 702, 828, 897, 1196, 1242, 1306, 1404, 1794, 1959, 2484, 2612, 2691, 3588, 3918, 5382, 5877, 7836, 8073, 8489, 10764, 11754, 15019, 16146, 16978, 17631, 23508, 25467, 30038, 32292, 33956, 35262, 45057, 50934, 60076, 70524, 76401, 90114, 101868, 135171, 152802, 180228, 195247, 229203, 270342, 305604, 390494, 405513, 458406, 540684, 585741, 780988, 811026, 916812, 1171482, 1622052, 1757223, 2342964, 3514446, 5271669, 7028892, 10543338, 21086676]

約数ペア:

[(1, 21086676), (2, 10543338), (3, 7028892), (4, 5271669), (6, 3514446), (9, 2342964), (12, 1757223), (13, 1622052), (18, 1171482), (23, 916812), (26, 811026), (27, 780988), (36, 585741), (39, 540684), (46, 458406), (52, 405513), (54, 390494), (69, 305604), (78, 270342), (92, 229203), (108, 195247), (117, 180228), (138, 152802), (156, 135171), (207, 101868), (234, 90114), (276, 76401), (299, 70524), (351, 60076), (414, 50934), (468, 45057), (598, 35262), (621, 33956), (653, 32292), (702, 30038), (828, 25467), (897, 23508), (1196, 17631), (1242, 16978), (1306, 16146), (1404, 15019), (1794, 11754), (1959, 10764), (2484, 8489), (2612, 8073), (2691, 7836), (3588, 5877), (3918, 5382)]