21827286

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 36233514

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 31, 34, 39, 51, 54, 59, 62, 78, 93, 102, 117, 118, 153, 177, 186, 221, 234, 279, 306, 351, 354, 403, 442, 459, 527, 531, 558, 663, 702, 767, 806, 837, 918, 1003, 1054, 1062, 1209, 1326, 1534, 1581, 1593, 1674, 1829, 1989, 2006, 2301, 2418, 3009, 3162, 3186, 3627, 3658, 3978, 4602, 4743, 5487, 5967, 6018, 6851, 6903, 7254, 9027, 9486, 10881, 10974, 11934, 13039, 13702, 13806, 14229, 16461, 18054, 20553, 20709, 21762, 23777, 26078, 27081, 28458, 31093, 32922, 39117, 41106, 41418, 47554, 49383, 54162, 61659, 62186, 71331, 78234, 93279, 98766, 117351, 123318, 142662, 184977, 186558, 213993, 234702, 279837, 352053, 369954, 404209, 427986, 559674, 641979, 704106, 808418, 839511, 1212627, 1283958, 1679022, 2425254, 3637881, 7275762, 10913643, 21827286]

約数ペア:

[(1, 21827286), (2, 10913643), (3, 7275762), (6, 3637881), (9, 2425254), (13, 1679022), (17, 1283958), (18, 1212627), (26, 839511), (27, 808418), (31, 704106), (34, 641979), (39, 559674), (51, 427986), (54, 404209), (59, 369954), (62, 352053), (78, 279837), (93, 234702), (102, 213993), (117, 186558), (118, 184977), (153, 142662), (177, 123318), (186, 117351), (221, 98766), (234, 93279), (279, 78234), (306, 71331), (351, 62186), (354, 61659), (403, 54162), (442, 49383), (459, 47554), (527, 41418), (531, 41106), (558, 39117), (663, 32922), (702, 31093), (767, 28458), (806, 27081), (837, 26078), (918, 23777), (1003, 21762), (1054, 20709), (1062, 20553), (1209, 18054), (1326, 16461), (1534, 14229), (1581, 13806), (1593, 13702), (1674, 13039), (1829, 11934), (1989, 10974), (2006, 10881), (2301, 9486), (2418, 9027), (3009, 7254), (3162, 6903), (3186, 6851), (3627, 6018), (3658, 5967), (3978, 5487), (4602, 4743)]