16921008

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 160

約数和(自身を含む): 54996480

約数和(自身を除く): 38075472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 36, 39, 46, 48, 52, 54, 69, 72, 78, 92, 104, 108, 117, 131, 138, 144, 156, 184, 207, 208, 216, 234, 262, 276, 299, 312, 351, 368, 393, 414, 432, 468, 524, 552, 598, 621, 624, 702, 786, 828, 897, 936, 1048, 1104, 1179, 1196, 1242, 1404, 1572, 1656, 1703, 1794, 1872, 2096, 2358, 2392, 2484, 2691, 2808, 3013, 3144, 3312, 3406, 3537, 3588, 4716, 4784, 4968, 5109, 5382, 5616, 6026, 6288, 6812, 7074, 7176, 8073, 9039, 9432, 9936, 10218, 10764, 12052, 13624, 14148, 14352, 15327, 16146, 18078, 18864, 20436, 21528, 24104, 27117, 27248, 28296, 30654, 32292, 36156, 39169, 40872, 43056, 45981, 48208, 54234, 56592, 61308, 64584, 72312, 78338, 81351, 81744, 91962, 108468, 117507, 122616, 129168, 144624, 156676, 162702, 183924, 216936, 235014, 245232, 313352, 325404, 352521, 367848, 433872, 470028, 626704, 650808, 705042, 735696, 940056, 1057563, 1301616, 1410084, 1880112, 2115126, 2820168, 4230252, 5640336, 8460504, 16921008]

約数ペア:

[(1, 16921008), (2, 8460504), (3, 5640336), (4, 4230252), (6, 2820168), (8, 2115126), (9, 1880112), (12, 1410084), (13, 1301616), (16, 1057563), (18, 940056), (23, 735696), (24, 705042), (26, 650808), (27, 626704), (36, 470028), (39, 433872), (46, 367848), (48, 352521), (52, 325404), (54, 313352), (69, 245232), (72, 235014), (78, 216936), (92, 183924), (104, 162702), (108, 156676), (117, 144624), (131, 129168), (138, 122616), (144, 117507), (156, 108468), (184, 91962), (207, 81744), (208, 81351), (216, 78338), (234, 72312), (262, 64584), (276, 61308), (299, 56592), (312, 54234), (351, 48208), (368, 45981), (393, 43056), (414, 40872), (432, 39169), (468, 36156), (524, 32292), (552, 30654), (598, 28296), (621, 27248), (624, 27117), (702, 24104), (786, 21528), (828, 20436), (897, 18864), (936, 18078), (1048, 16146), (1104, 15327), (1179, 14352), (1196, 14148), (1242, 13624), (1404, 12052), (1572, 10764), (1656, 10218), (1703, 9936), (1794, 9432), (1872, 9039), (2096, 8073), (2358, 7176), (2392, 7074), (2484, 6812), (2691, 6288), (2808, 6026), (3013, 5616), (3144, 5382), (3312, 5109), (3406, 4968), (3537, 4784), (3588, 4716)]