21203658

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 58631040

約数和(自身を除く): 37427382

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 306, 323, 342, 357, 399, 521, 646, 714, 798, 969, 1042, 1071, 1197, 1563, 1938, 2142, 2261, 2394, 2907, 3126, 3647, 4522, 4689, 5814, 6783, 7294, 8857, 9378, 9899, 10941, 13566, 17714, 19798, 20349, 21882, 26571, 29697, 32823, 40698, 53142, 59394, 61999, 65646, 69293, 79713, 89091, 123998, 138586, 159426, 168283, 178182, 185997, 207879, 336566, 371994, 415758, 504849, 557991, 623637, 1009698, 1115982, 1177981, 1247274, 1514547, 2355962, 3029094, 3533943, 7067886, 10601829, 21203658]

約数ペア:

[(1, 21203658), (2, 10601829), (3, 7067886), (6, 3533943), (7, 3029094), (9, 2355962), (14, 1514547), (17, 1247274), (18, 1177981), (19, 1115982), (21, 1009698), (34, 623637), (38, 557991), (42, 504849), (51, 415758), (57, 371994), (63, 336566), (102, 207879), (114, 185997), (119, 178182), (126, 168283), (133, 159426), (153, 138586), (171, 123998), (238, 89091), (266, 79713), (306, 69293), (323, 65646), (342, 61999), (357, 59394), (399, 53142), (521, 40698), (646, 32823), (714, 29697), (798, 26571), (969, 21882), (1042, 20349), (1071, 19798), (1197, 17714), (1563, 13566), (1938, 10941), (2142, 9899), (2261, 9378), (2394, 8857), (2907, 7294), (3126, 6783), (3647, 5814), (4522, 4689)]