21265571808

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{153511}}^1$

素因数の和:153577

約数の個数: 144

約数和(自身を含む): 66886406496

約数和(自身を除く): 45620834688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 37, 39, 48, 52, 72, 74, 78, 96, 104, 111, 117, 144, 148, 156, 208, 222, 234, 288, 296, 312, 333, 416, 444, 468, 481, 592, 624, 666, 888, 936, 962, 1184, 1248, 1332, 1443, 1776, 1872, 1924, 2664, 2886, 3552, 3744, 3848, 4329, 5328, 5772, 7696, 8658, 10656, 11544, 15392, 17316, 23088, 34632, 46176, 69264, 138528, 153511, 307022, 460533, 614044, 921066, 1228088, 1381599, 1842132, 1995643, 2456176, 2763198, 3684264, 3991286, 4912352, 5526396, 5679907, 5986929, 7368528, 7982572, 11052792, 11359814, 11973858, 14737056, 15965144, 17039721, 17960787, 22105584, 22719628, 23947716, 31930288, 34079442, 35921574, 44211168, 45439256, 47895432, 51119163, 63860576, 68158884, 71843148, 73838791, 90878512, 95790864, 102238326, 136317768, 143686296, 147677582, 181757024, 191581728, 204476652, 221516373, 272635536, 287372592, 295355164, 408953304, 443032746, 545271072, 574745184, 590710328, 664549119, 817906608, 886065492, 1181420656, 1329098238, 1635813216, 1772130984, 2362841312, 2658196476, 3544261968, 5316392952, 7088523936, 10632785904, 21265571808]

約数ペア:

[(1, 21265571808), (2, 10632785904), (3, 7088523936), (4, 5316392952), (6, 3544261968), (8, 2658196476), (9, 2362841312), (12, 1772130984), (13, 1635813216), (16, 1329098238), (18, 1181420656), (24, 886065492), (26, 817906608), (32, 664549119), (36, 590710328), (37, 574745184), (39, 545271072), (48, 443032746), (52, 408953304), (72, 295355164), (74, 287372592), (78, 272635536), (96, 221516373), (104, 204476652), (111, 191581728), (117, 181757024), (144, 147677582), (148, 143686296), (156, 136317768), (208, 102238326), (222, 95790864), (234, 90878512), (288, 73838791), (296, 71843148), (312, 68158884), (333, 63860576), (416, 51119163), (444, 47895432), (468, 45439256), (481, 44211168), (592, 35921574), (624, 34079442), (666, 31930288), (888, 23947716), (936, 22719628), (962, 22105584), (1184, 17960787), (1248, 17039721), (1332, 15965144), (1443, 14737056), (1776, 11973858), (1872, 11359814), (1924, 11052792), (2664, 7982572), (2886, 7368528), (3552, 5986929), (3744, 5679907), (3848, 5526396), (4329, 4912352), (5328, 3991286), (5772, 3684264), (7696, 2763198), (8658, 2456176), (10656, 1995643), (11544, 1842132), (15392, 1381599), (17316, 1228088), (23088, 921066), (34632, 614044), (46176, 460533), (69264, 307022), (138528, 153511)]