21029874242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1\times {\mathrm{1171}}^1$

素因数の和:2235

約数の個数: 64

約数和(自身を含む): 36915637248

約数和(自身を除く): 15885763006

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 991, 1066, 1171, 1394, 1982, 2342, 9061, 12883, 15223, 16847, 18122, 19907, 25766, 30446, 33694, 39814, 40631, 48011, 81262, 96022, 219011, 258791, 438022, 517582, 528203, 624143, 690727, 816187, 1056406, 1160461, 1248286, 1381454, 1632374, 2320922, 8979451, 10610431, 15085993, 17958902, 19727837, 21220862, 30171986, 39455674, 47578901, 95157802, 256461881, 512923762, 618525713, 808841317, 1237051426, 1617682634, 10514937121, 21029874242]

約数ペア:

[(1, 21029874242), (2, 10514937121), (13, 1617682634), (17, 1237051426), (26, 808841317), (34, 618525713), (41, 512923762), (82, 256461881), (221, 95157802), (442, 47578901), (533, 39455674), (697, 30171986), (991, 21220862), (1066, 19727837), (1171, 17958902), (1394, 15085993), (1982, 10610431), (2342, 8979451), (9061, 2320922), (12883, 1632374), (15223, 1381454), (16847, 1248286), (18122, 1160461), (19907, 1056406), (25766, 816187), (30446, 690727), (33694, 624143), (39814, 528203), (40631, 517582), (48011, 438022), (81262, 258791), (96022, 219011)]