21167768178

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{8731}}^1$

素因数の和:8917

約数の個数: 128

約数和(自身を含む): 52811136000

約数和(自身を除く): 31643367822

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 139, 153, 171, 278, 306, 323, 342, 417, 459, 513, 646, 834, 918, 969, 1026, 1251, 1938, 2363, 2502, 2641, 2907, 3753, 4726, 5282, 5814, 7089, 7506, 7923, 8721, 8731, 14178, 15846, 17442, 17462, 21267, 23769, 26193, 42534, 44897, 47538, 52386, 63801, 71307, 78579, 89794, 127602, 134691, 142614, 148427, 157158, 165889, 235737, 269382, 296854, 331778, 404073, 445281, 471474, 497667, 808146, 890562, 995334, 1212219, 1213609, 1335843, 1493001, 2424438, 2427218, 2671686, 2820113, 2986002, 3640827, 4007529, 4479003, 5640226, 7281654, 8015058, 8460339, 8958006, 10922481, 16920678, 20631353, 21844962, 23058571, 25381017, 32767443, 41262706, 46117142, 50762034, 61894059, 65534886, 69175713, 76143051, 123788118, 138351426, 152286102, 185682177, 207527139, 371364354, 391995707, 415054278, 557046531, 622581417, 783991414, 1114093062, 1175987121, 1245162834, 2351974242, 3527961363, 7055922726, 10583884089, 21167768178]

約数ペア:

[(1, 21167768178), (2, 10583884089), (3, 7055922726), (6, 3527961363), (9, 2351974242), (17, 1245162834), (18, 1175987121), (19, 1114093062), (27, 783991414), (34, 622581417), (38, 557046531), (51, 415054278), (54, 391995707), (57, 371364354), (102, 207527139), (114, 185682177), (139, 152286102), (153, 138351426), (171, 123788118), (278, 76143051), (306, 69175713), (323, 65534886), (342, 61894059), (417, 50762034), (459, 46117142), (513, 41262706), (646, 32767443), (834, 25381017), (918, 23058571), (969, 21844962), (1026, 20631353), (1251, 16920678), (1938, 10922481), (2363, 8958006), (2502, 8460339), (2641, 8015058), (2907, 7281654), (3753, 5640226), (4726, 4479003), (5282, 4007529), (5814, 3640827), (7089, 2986002), (7506, 2820113), (7923, 2671686), (8721, 2427218), (8731, 2424438), (14178, 1493001), (15846, 1335843), (17442, 1213609), (17462, 1212219), (21267, 995334), (23769, 890562), (26193, 808146), (42534, 497667), (44897, 471474), (47538, 445281), (52386, 404073), (63801, 331778), (71307, 296854), (78579, 269382), (89794, 235737), (127602, 165889), (134691, 157158), (142614, 148427)]