21109536

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 70709184

約数和(自身を除く): 49599648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 72, 74, 84, 96, 111, 112, 126, 144, 148, 168, 222, 224, 252, 259, 283, 288, 296, 333, 336, 444, 504, 518, 566, 592, 666, 672, 777, 849, 888, 1008, 1036, 1132, 1184, 1332, 1554, 1698, 1776, 1981, 2016, 2072, 2264, 2331, 2547, 2664, 3108, 3396, 3552, 3962, 4144, 4528, 4662, 5094, 5328, 5943, 6216, 6792, 7924, 8288, 9056, 9324, 10188, 10471, 10656, 11886, 12432, 13584, 15848, 17829, 18648, 20376, 20942, 23772, 24864, 27168, 31413, 31696, 35658, 37296, 40752, 41884, 47544, 62826, 63392, 71316, 73297, 74592, 81504, 83768, 94239, 95088, 125652, 142632, 146594, 167536, 188478, 190176, 219891, 251304, 285264, 293188, 335072, 376956, 439782, 502608, 570528, 586376, 659673, 753912, 879564, 1005216, 1172752, 1319346, 1507824, 1759128, 2345504, 2638692, 3015648, 3518256, 5277384, 7036512, 10554768, 21109536]

約数ペア:

[(1, 21109536), (2, 10554768), (3, 7036512), (4, 5277384), (6, 3518256), (7, 3015648), (8, 2638692), (9, 2345504), (12, 1759128), (14, 1507824), (16, 1319346), (18, 1172752), (21, 1005216), (24, 879564), (28, 753912), (32, 659673), (36, 586376), (37, 570528), (42, 502608), (48, 439782), (56, 376956), (63, 335072), (72, 293188), (74, 285264), (84, 251304), (96, 219891), (111, 190176), (112, 188478), (126, 167536), (144, 146594), (148, 142632), (168, 125652), (222, 95088), (224, 94239), (252, 83768), (259, 81504), (283, 74592), (288, 73297), (296, 71316), (333, 63392), (336, 62826), (444, 47544), (504, 41884), (518, 40752), (566, 37296), (592, 35658), (666, 31696), (672, 31413), (777, 27168), (849, 24864), (888, 23772), (1008, 20942), (1036, 20376), (1132, 18648), (1184, 17829), (1332, 15848), (1554, 13584), (1698, 12432), (1776, 11886), (1981, 10656), (2016, 10471), (2072, 10188), (2264, 9324), (2331, 9056), (2547, 8288), (2664, 7924), (3108, 6792), (3396, 6216), (3552, 5943), (3962, 5328), (4144, 5094), (4528, 4662)]