21572694

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 60343920

約数和(自身を除く): 38771226

約数列:

[1, 2, 3, 6, 9, 11, 13, 17, 18, 22, 26, 29, 33, 34, 39, 51, 58, 66, 78, 87, 99, 102, 117, 143, 153, 174, 187, 198, 221, 234, 261, 286, 289, 306, 319, 374, 377, 429, 442, 493, 522, 561, 578, 638, 663, 754, 858, 867, 957, 986, 1122, 1131, 1287, 1326, 1479, 1683, 1734, 1914, 1989, 2262, 2431, 2574, 2601, 2871, 2958, 3179, 3366, 3393, 3757, 3978, 4147, 4437, 4862, 5202, 5423, 5742, 6358, 6409, 6786, 7293, 7514, 8294, 8381, 8874, 9537, 10846, 11271, 12441, 12818, 14586, 16269, 16762, 19074, 19227, 21879, 22542, 24882, 25143, 28611, 32538, 33813, 37323, 38454, 41327, 43758, 48807, 50286, 57222, 57681, 67626, 70499, 74646, 75429, 82654, 92191, 97614, 108953, 115362, 123981, 140998, 150858, 184382, 211497, 217906, 247962, 276573, 326859, 371943, 422994, 553146, 634491, 653718, 743886, 829719, 980577, 1198483, 1268982, 1659438, 1961154, 2396966, 3595449, 7190898, 10786347, 21572694]

約数ペア:

[(1, 21572694), (2, 10786347), (3, 7190898), (6, 3595449), (9, 2396966), (11, 1961154), (13, 1659438), (17, 1268982), (18, 1198483), (22, 980577), (26, 829719), (29, 743886), (33, 653718), (34, 634491), (39, 553146), (51, 422994), (58, 371943), (66, 326859), (78, 276573), (87, 247962), (99, 217906), (102, 211497), (117, 184382), (143, 150858), (153, 140998), (174, 123981), (187, 115362), (198, 108953), (221, 97614), (234, 92191), (261, 82654), (286, 75429), (289, 74646), (306, 70499), (319, 67626), (374, 57681), (377, 57222), (429, 50286), (442, 48807), (493, 43758), (522, 41327), (561, 38454), (578, 37323), (638, 33813), (663, 32538), (754, 28611), (858, 25143), (867, 24882), (957, 22542), (986, 21879), (1122, 19227), (1131, 19074), (1287, 16762), (1326, 16269), (1479, 14586), (1683, 12818), (1734, 12441), (1914, 11271), (1989, 10846), (2262, 9537), (2431, 8874), (2574, 8381), (2601, 8294), (2871, 7514), (2958, 7293), (3179, 6786), (3366, 6409), (3393, 6358), (3757, 5742), (3978, 5423), (4147, 5202), (4437, 4862)]