21529242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 62112960

約数和(自身を除く): 40583718

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 23, 34, 38, 42, 46, 51, 57, 63, 69, 102, 114, 119, 126, 133, 138, 153, 161, 171, 207, 238, 266, 306, 322, 323, 342, 357, 391, 399, 414, 437, 483, 529, 646, 714, 782, 798, 874, 966, 969, 1058, 1071, 1173, 1197, 1311, 1449, 1587, 1938, 2142, 2261, 2346, 2394, 2622, 2737, 2898, 2907, 3059, 3174, 3519, 3703, 3933, 4522, 4761, 5474, 5814, 6118, 6783, 7038, 7406, 7429, 7866, 8211, 8993, 9177, 9522, 10051, 11109, 13566, 14858, 16422, 17986, 18354, 20102, 20349, 22218, 22287, 24633, 26979, 27531, 30153, 33327, 40698, 44574, 49266, 52003, 53958, 55062, 60306, 62951, 66654, 66861, 70357, 80937, 90459, 104006, 125902, 133722, 140714, 156009, 161874, 170867, 180918, 188853, 211071, 312018, 341734, 377706, 422142, 468027, 512601, 566559, 633213, 936054, 1025202, 1133118, 1196069, 1266426, 1537803, 2392138, 3075606, 3588207, 7176414, 10764621, 21529242]

約数ペア:

[(1, 21529242), (2, 10764621), (3, 7176414), (6, 3588207), (7, 3075606), (9, 2392138), (14, 1537803), (17, 1266426), (18, 1196069), (19, 1133118), (21, 1025202), (23, 936054), (34, 633213), (38, 566559), (42, 512601), (46, 468027), (51, 422142), (57, 377706), (63, 341734), (69, 312018), (102, 211071), (114, 188853), (119, 180918), (126, 170867), (133, 161874), (138, 156009), (153, 140714), (161, 133722), (171, 125902), (207, 104006), (238, 90459), (266, 80937), (306, 70357), (322, 66861), (323, 66654), (342, 62951), (357, 60306), (391, 55062), (399, 53958), (414, 52003), (437, 49266), (483, 44574), (529, 40698), (646, 33327), (714, 30153), (782, 27531), (798, 26979), (874, 24633), (966, 22287), (969, 22218), (1058, 20349), (1071, 20102), (1173, 18354), (1197, 17986), (1311, 16422), (1449, 14858), (1587, 13566), (1938, 11109), (2142, 10051), (2261, 9522), (2346, 9177), (2394, 8993), (2622, 8211), (2737, 7866), (2898, 7429), (2907, 7406), (3059, 7038), (3174, 6783), (3519, 6118), (3703, 5814), (3933, 5474), (4522, 4761)]