21167796154

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 34089984000

約数和(自身を除く): 12922187846

約数列:

[1, 2, 31, 59, 62, 71, 118, 142, 149, 298, 547, 1094, 1829, 2201, 3658, 4189, 4402, 4619, 8378, 8791, 9238, 10579, 16957, 17582, 21158, 32273, 33914, 38837, 64546, 77674, 81503, 129859, 163006, 259718, 272521, 327949, 545042, 624161, 655898, 1000463, 1203947, 1248322, 2000926, 2291383, 2407894, 2526593, 4582766, 4808677, 5053186, 5786713, 9617354, 11573426, 19348991, 38697982, 71032873, 142065746, 149068987, 179388103, 298137974, 341416067, 358776206, 682832134, 10583898077, 21167796154]

約数ペア:

[(1, 21167796154), (2, 10583898077), (31, 682832134), (59, 358776206), (62, 341416067), (71, 298137974), (118, 179388103), (142, 149068987), (149, 142065746), (298, 71032873), (547, 38697982), (1094, 19348991), (1829, 11573426), (2201, 9617354), (3658, 5786713), (4189, 5053186), (4402, 4808677), (4619, 4582766), (8378, 2526593), (8791, 2407894), (9238, 2291383), (10579, 2000926), (16957, 1248322), (17582, 1203947), (21158, 1000463), (32273, 655898), (33914, 624161), (38837, 545042), (64546, 327949), (77674, 272521), (81503, 259718), (129859, 163006)]